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  • 1.
    Alsterlund, Rolf
    et al.
    Infektionskliniken, Centralsjukhuset, Kristianstad, Sweden.
    Danielsson-Tham, Marie-Louise
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Edén, Tony
    Kliniska bakteriologiska laboratoriet.
    De Jong, Birgitta
    Epidemiologiska enheten, Smittskyddsenheten.
    Lyxell, Gabriella
    Miljölaboratoriet i Umeå AB, Umeå, Sweden.
    Nilsson, Per Olof
    Länsveterinär, Kristianstad, Sweden.
    Ransjö, Ulrika
    Enheten för sjukhushygien, Karolinska universitetssjukhuset, Solna, Sweden.
    Yersinia enterocolitica på Bjärehalvön: Risker med kylda matvaror1995In: Svensk veterinärtidning, ISSN 0346-2250, Vol. 47, no 6, p. 257-260Article in journal (Refereed)
  • 2.
    Alsterlund, Rolf
    et al.
    Landstinget, Kristianstads län, Sweden.
    Danielsson-Tham, Marie-Louise
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Karp, Gabriella
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Edén, Tony
    Klinisk bakteriologiska laboratoriet, Kristianstad, Sweden.
    De Jong, Birgitta
    Vattensektionen, Smittskyddsinstitutet, Sweden.
    Nilsson, Per Olof
    Länsstyrelsen, Kristianstad, Sweden.
    Ransjö, Ulrika
    Avdelningen för Klinisk mikrobiologi, Karolinska Institutet, Huddinge, Sweden.
    Yersinia enterocolitica-utbrott på Bjärehalvön visar på risker med kylda matvaror1995In: Läkartidningen, ISSN 0023-7205, E-ISSN 1652-7518, Vol. 92, no 12, p. 1213-1214Article in journal (Refereed)
    Abstract [sv]

    På sensommaren 1988 hade man i Skåne ett stort lokalt utbrott med 61 fall av infektioner med Yersinia enterocolitica. DEn kliniska bilden var avsevärt mildare än som brukar rapporteras, med diarré, magsmärtor och feber som dominerande symtom, och endast två fall av svårare komplikationer. Den sannolika smittkällan var mjölk från ett litet mejeri där hygienen inte var den bästa, Utbrottet visar på en av många risker med distribution av industriellt framställda kylda livsmedel.

  • 3.
    Alsén-Eklöf, Eva
    et al.
    Livstecknet.
    Danielsson Tham (intervjuobjekt), Marie-Louise
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Sveriges professor i livsmedelshygien: Välj risknivå med öka kunskap!1990Other (Other (popular science, discussion, etc.))
  • 4.
    Beck-Friis, Johan
    et al.
    Svensk Veterinärtidning.
    Danielsson-Tham, Marie-Louise (intervjuobjekt)
    Örebro University, School of Hospitality, Culinary Arts & Meal Science.
    ISOPOL XV – internationellt listeriasymposium i Uppsala2004Report (Other (popular science, discussion, etc.))
  • 5.
    Beck-Friis, Johan
    et al.
    Sveriges veterinärförbund.
    Danielsson-Tham, Marie-Louise (intervjuobjekt)
    Örebro University, School of Hospitality, Culinary Arts & Meal Science.
    Salmonella: en smitta att ta på allvar2004In: Svensk veterinärtidning, ISSN 0346-2250, Vol. 56, no 10, p. 33-34Article in journal (Refereed)
  • 6.
    Bergqvist, Åsa
    et al.
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Danielsson Tham, Marie-Louise
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Smittspridning av campylobacter inom fjäderfäslakteri1986In: XV Nordiska veterinärkongressen – 15th Nordic Veterinary Congress, Stockholm 28/7–1/8 1986: Proceedings / [ed] Hans Kindahl, Ingemar Jämte, Stockholm: Sveriges Veterinärförbund , 1986, p. 355-358Conference paper (Refereed)
  • 7.
    Berndtson, Eva
    et al.
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Blomgren, Gunny
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Danielsson Tham, Marie-Louise
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Incidence of campylobacter on a broiler farm1987In: The IVth International Workshop on Campylobacter Infections, Department of Clinical Bacteriology, University Göteborg, June 16–18, 1987, Göteborg, Sweden: Programme and Abstracts, 1987, p. Abstract no. 17-Conference paper (Refereed)
  • 8.
    Beuchat, L. R.
    et al.
    Center for Food Safety and Department of Food Science and Technology, University of Georgia, Griffin, GA, USA.
    Frändberg, E.
    Biology Division, National Food Administration, Uppsala, Sweden.
    Deak, T.
    Center for Food Safety and Department of Food Science and Technology, University of Georgia, Griffin, GA, USA; Department of Microbiology and Biotechnology, Szent Istvan University, Budapest, Hungary.
    Alzamora, S. M.
    Pabellon de Industrias, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires, Argentina.
    Chen, J.
    Center for Food Safety and Department of Food Science and Technology, University of Georgia, Griffin, GA, USA.
    Guerrero, S.
    Pabellon de Industrias, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires, Argentina.
    López-Malo, A.
    Departmento de Ingenieria Quimica y Alimentos, Universidad de la Americas-Puebla, Sta. Catarina Martir, Puebla, Mexico.
    Ohlsson, I.
    Department of Microbiology, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Olsen, M.
    Biology Division, National Food Administration, Uppsala, Sweden.
    Peinado, J. M.
    Departmento de Microbiologia, Facultad de Biologia, Universidad Completense de Madrid, Madrid, Spain.
    Schnürer, Johan
    Department of Microbiology, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    de Siloniz, M. I.
    Departmento de Microbiologia, Facultad de Biologia, Universidad Completense de Madrid, Madrid, Spain.
    Tornai-Lehoczki, J.
    National Collection of Agricultural and Industrial Microorganisms, Szent Istvan University, Budapest, Hungary.
    Performance of mycological media in enumerating desiccated food spoilage yeasts: an interlaboratory study2001In: International Journal of Food Microbiology, ISSN 0168-1605, E-ISSN 1879-3460, Vol. 70, no 1-2, p. 89-96Article in journal (Refereed)
    Abstract [en]

    Dichloran 18% glycerol agar (DG18) was originally formulated to enumerate nonfastidious xerophilic moulds in foods containing rapidly growing Eurotium species. Some laboratories are now using DG18 as a general purpose medium for enumerating yeasts and moulds, although its performance in recovering yeasts from dry foods has not been evaluated. An interlaboratory study compared DG18 with dichloran rose bengal chloramphenicol agar (DRBC), plate count agar supplemented with chloramphenicol (PCAC), tryptone glucose yeast extract chloramphenicol agar (TGYC), acidified potato dextrose agar (APDA), and orange serum agar (OSA) for their suitability to enumerate 14 species of lyophilized yeasts. The coefficient of variation for among-laboratories repeatability within yeast was 1.39% and reproducibility of counts among laboratories was 7.1%. The order of performance of media for recovering yeasts was TGYC > PCAC = OSA > APDA > DRBC > DG18. A second study was done to determine the combined effects of storage time and temperature on viability of yeasts and suitability of media for recovery. Higher viability was retained at - 18 degreesC than at 5 degreesC or 25 degreesC for up to 42 weeks, although the difference in mean counts of yeasts stored at - 18 degreesC and 25 degreesC was only 0.78 log(10) cfu/ml of rehydrated suspension. TGYC was equal to PCAC and superior to the other four media in recovering yeasts stored at - 18 degreesC, 5 degreesC, or 25 degreesC for up to 42 weeks. Results from both the interlaboratory study and the storage study support the use of TGYC for enumerating desiccated yeasts. DG18 is not recommended as a general purpose medium for recovering yeasts from a desiccated condition.

  • 9.
    Boysen, Marianne E.
    et al.
    Department of Microbiology, Swedish University of Agricultural Sciences (SLU), Uppsala, Sweden.
    Björneholm, Stina
    Department of Microbiology, Swedish University of Agricultural Sciences (SLU), Uppsala, Sweden.
    Schnürer, Johan
    Department of Microbiology, Swedish University of Agricultural Sciences (SLU), Uppsala, Sweden.
    Effect of the biocontrol yeast Pichia anomala on interactions between Penicillium roqueforti, Penicillium carneum, and Penicillium paneum in moist grain under restricted air supply2000In: Postharvest biology and technology, ISSN 0925-5214, E-ISSN 1873-2356, Vol. 19, no 2, p. 173-179Article in journal (Refereed)
    Abstract [en]

    Penicillium roqueforti was recently reclassified into the three species P. roqueforti, Penicillium carneum, and Penicillium paneum based on differences in ribosomal DNA sequences and secondary metabolites, e.g. mycotoxins. This is the first report on interaction between these closely related mould species under stress conditions. The yeast Pichia anomala (J121) inhibits growth of P. roqueforti in grain stored in malfunctioning airtight storage systems. The ability of P. anomala to inhibit all three species of the P. roqueforti group was examined in separate experiments as well as the competition between the three mould species when co-cultured with or without the yeast in non-sterile wheat grain (a(w) 0.95) under restricted air supply. Mould growth was analysed by dilution plating after 14 days and the individual colonies identified by random amplified polymorphic DNA (RAPD) fingerprinting. When co-culturing the P. roqueforti group in wheat without P. anomala all three species were able to grow to the same extent. Also, when co-culturing all species of the P. roqueforti group together with P. anomala, the growth response of the three species was very similar. Al yeast levels of 10(4) CFU g(-1),grain a pronounced inhibition was observed and at 10(5) CFU g(-1) grain a fungicidal effect was detected, indicating a potentiated effect of P. anomala when co-culturing the three mould species.

  • 10.
    Bratt, Anna
    et al.
    Borås Tidning .
    Danielsson-Tham, Marie-Louise (intervjuobjekt)
    Örebro University, School of Hospitality, Culinary Arts & Meal Science.
    Skafferiet – det är rena städskåpet2015In: Borås tidning Del 3 – Bostad söndag 18 januari 2015, ISSN 1103-9132, no Söndag 18 januari, p. 8-9Article in journal (Other (popular science, discussion, etc.))
  • 11.
    Bruce, Åke
    et al.
    National Food Agency (Statens livsmedelsverk), Uppsala, Sweden.
    Danielsson-Tham, Marie-Louise
    Örebro University, School of Hospitality, Culinary Arts & Meal Science.
    Det var inte bättre förr: ett akademiföretal2015In: Mot ett modernt livsmedelssystem: livsmedelshygien och livsmedelskontroll i Sverige och Norden 1850–1950 / [ed] Per Eriksson, Stockholm: Kungl. Skogs- och lantbruksakademien , 2015, p. 7-12Chapter in book (Refereed)
  • 12.
    Bruce, Åke
    et al.
    Statens livsmedelsverk, Uppsala, Sverige.
    Danielsson-Tham, Marie-Louise
    Örebro University, School of Hospitality, Culinary Arts & Meal Science.
    Vad kontrollerades under perioden 1850–1950 och vilka hjälpmedel i form av lagar, kunskap och teknik fanns att tillgå?2015In: Mot ett modernt livsmedelssystem: livsmedelshygien och livsmedelskontroll i Sverige och Norden 1850–1950 / [ed] Per Eriksson, Stockholm: Kungl. Skogs- och lantbruksakademien , 2015, p. 19-33Chapter in book (Refereed)
  • 13.
    Båth, Klara
    et al.
    Department of Microbiology, Uppsala Biocenter, Swedish University of Agricultural Sciences, Uppsala, Sweden; The Swedish Institute for Food and Biotechnology, Göteborg, Sweden.
    Persson, Karin Neil
    Department of Microbiology, Uppsala Biocenter, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Schnürer, Johan
    Department of Microbiology, Uppsala Biocenter, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Leong, Su-lin L.
    Department of Microbiology, Uppsala Biocenter, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Microbiota of an unpasteurised cellar-stored goat cheese from northern Sweden2012In: Agricultural and Food Science, ISSN 1459-6067, E-ISSN 1795-1895, Vol. 21, no 2, p. 197-203Article in journal (Refereed)
    Abstract [en]

    This qualitative study reports on lactic acid bacteria (LAB), yeasts and moulds isolated from three artisanal Swedish cellar-stored goat cheeses aged for 1, 3 and 5 months. Starter culture LAB dominated in the younger cheeses, and Leuconostoc pseudomesenteroides, common in raw goats' milk, had persisted from the unpasteurised milk into all the cheeses. Non-starter LAB dominated in the 5 month cheese, in particular, Lactobacillus sakei, a meat-associated LAB not previously isolated from cheese. Debaryomyces hansenii, and Penicillium and Mucor species were dominant among the yeasts and moulds, respectively. The cheese rind was not formed primarily from Penicillium species as in traditional cheeses such as Camembert - rather, mycelium from Mucor mucedo contributed to rind formation. Mould species known to produce sterigmatocystin, aflatoxins or ochratoxin A in cheese were not isolated in this study; growth of mycotoxigenic Aspergilli may have been inhibited by the cool conditions in the earth-cellar (4-6 degrees C).

  • 14.
    Börjesson, T.
    et al.
    Swedish Farmers Supply & Marketing Association, Stockholm, Sweden.
    Eklöv, T.
    Laboratory of Applied Physics, Linköping University, Linköping, Sweden.
    Jonsson, A.
    Swedish Farmers Supply & Marketing Association, Stockholm, Sweden.
    Sundgren, H.
    Laboratory of Applied Physics, Linköping University, Linköping, Sweden.
    Schnürer, Johan
    Department of Microbiology, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Electronic nose for odor classification of grains1996In: Cereal Chemistry, ISSN 0009-0352, E-ISSN 1943-3638, Vol. 73, no 4, p. 457-461Article in journal (Refereed)
    Abstract [en]

    An electronic nose was used to classify grain samples based on their smell and to predict the degree of moldy/musty odor. A total of 235 samples of wheat, barley and oats, which had been odor classified by at least two grain inspectors, were used. Headspace samples from heated grain were pumped through chambers containing metal oxide semiconductor field effect transistor (MOSFET) sensors, SnO2 semiconductors and an infrared detector monitoring CO2. The sensor signals were evaluated with a pattern-recognition software program based on artificial neural networks. The samples were divided into either the four classes moldy/musty, acid/sour, burnt, or normal or the two classes good and bad according to the inspectors descriptions. They were also assigned a score describing their intensity of moldy/musty odor. The electronic nose correctly classified approximate to 75% of the samples when using the four-class system and approximate to 90% when using the two-class system. These values exceeded the corresponding percentages of agreement between two grain inspectors classifying the grain.

  • 15.
    Börjesson, T.
    et al.
    Grain Department, Lidköping, Sweden.
    Stenberg, B.
    Precision Agriculture, Department of Soil Science, SLU, Skara, Sweden.
    Schnürer, Johan
    Department of Microbiology, SLU, Uppsala, Sweden.
    Near-infrared spectroscopy for estimation of ergosterol content in barley: A comparison between reflectance and transmittance techniques2007In: Cereal Chemistry, ISSN 0009-0352, E-ISSN 1943-3638, Vol. 84, no 3, p. 231-236Article in journal (Refereed)
    Abstract [en]

    The fungal-specific lipid ergosterol correlates with fungal biomass and often also with the degree of mycotoxin contamination of cereals. We compared the ability of a near-infrared reflectance (NIR) instrument with a broad wavelength range (400-2500 nm) and a near-infrared transmittance (NIT) instrument with a narrower wavelength range (850-1050 nm) to predict the ergosterol content of naturally infected barley samples. The two instruments were equally good at predicting ergosterol content in Swedish samples (r(2) = 0.81 and 0.83 for NIT and NIR, respectively). The NIT instrument was then used for samples from three countries (Sweden, Ireland, UK). This model had about the same root mean-squared error (approximate to 5 mg of ergosterol/kg, db, of grain) as the dataset with only Swedish samples, although the r(2) value was lower (0.58). The investigation has shown that it is possible to predict ergosterol content in whole barley samples using NIR or NIT instrumentation, and acceptable models can be obtained using different barley cultivars and samples from different countries and harvest years. This should make it possible to routinely predict the fungal biomass at grain terminals.

  • 16.
    Börjesson, T.
    et al.
    SIK - Swedish Institute for Food Research, Göteborg, Sweden; Department of Microbiology, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Stöllman, U.
    SIK - Swedish Institute for Food Research, Göteborg, Sweden.
    Schnürer, Johan
    Department of Microbiology, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Adsorption of volatile fungal metabolites to wheat grains and subsequent desorption1994In: Cereal Chemistry, ISSN 0009-0352, E-ISSN 1943-3638, Vol. 71, no 1, p. 16-20Article in journal (Refereed)
    Abstract [en]

    Adsorption of the volatile fungal metabolites 2-methylfuran, 3-methyl-1-butanol, and 1-octen-3-ol to wheat grains, and their subsequent desorption, were investigated. Adsorption was performed both dynamically and statically. In the dynamic system, volatile compounds in a N2 flow were led through 400 g of wheat in a glass column. In the static system, 400 g of wheat was stored in an airtight glass vessel containing the volatile compounds in the atmosphere. Three desorption procedures were compared: an N2 flow at 20-degrees-C, an N2 flow at 50-degrees-C, and extraction with supercritical CO2. 3-Methyl-1-butanol and 1-octen-3-ol were efficiently adsorbed and could also readily be desorbed to considerably higher extents at 50-degrees-C than at 20-degrees-C. The supercritical CO2 extraction was more efficient than N2 desorption in extracting volatile compounds, but because of the smaller sample sizes (1 g), the amounts extracted per gram of grain were lower than the amounts extracted with N2 desorption at 50-degrees-C. The adsorbed amount of each volatile compound was calculated as the difference between content in the N2 stream before passage through the wheat and its content after passage. Desorption by means of a N2 stream led to the recovery of about 5% of 2-methylfuran, 35% of 3-methyl-1-butanol, and 100% of 1-octen-3-ol.

  • 17.
    Börjesson, Thomas S.
    et al.
    SIK -the Swedish Institute for Food Research, Göteborg, Sweden; Department of Microbiology, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Stöllman, Ulla M.
    SIK -the Swedish Institute for Food Research, Göteborg, Sweden.
    Schnürer, Johan
    Department of Microbiology, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Off-odorous compounds produced by molds on oatmeal agar: Identification and relation to other growth characteristics1993In: Journal of Agricultural and Food Chemistry, ISSN 0021-8561, E-ISSN 1520-5118, Vol. 41, no 11, p. 2104-2111Article in journal (Refereed)
    Abstract [en]

    Ten Penicillium and Aspergillus species, four with a strong musty off-odor and six reference fungi without any characteristic odor, were cultivated on oatmeal agar for 5 days in cultivation vessels provided with an inlet and an outlet for air. Samples of volatile metabolites were collected on a porous polymer adsorbent attached to the outlet from day 2 through day 5 after inoculation. Adsorbed compounds were desorbed thermally and analyzed with GC/MS and a combined GC and sensory analysis, the GC sniff technique. Multivariate analysis of GC/MS and fungal odor data revealed strong associations between 6 of 65 volatile compounds and musty off-odor. The GC sniff technique showed that five of these, dimethyl disulfide, 1-octen-3-ol, 2-methylisoborneol, and two C11H18 compounds, had prominent off-odors. In addition, geosmin, 1-methoxy-3-methylbenzene, and methylphenol were produced in large amounts by some off-odorous fungi and contributed to their unpleasant odor. 3-Methylfuran, 2-methyl-1-propanol, and 3-methyl-1-butanol were much more commonly produced than the off-odorous compounds. Both odorous and other volatile metabolites could be detected after 2 days of fungal growth. The production of odorous metabolites was enhanced at the time of sporulation.

  • 18.
    Danielsson Tham, Marie-Louise
    et al.
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Hellberg, Bo
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Prevalence of enterotoxigenic staphylococci in nose, throat and skin lesions in meat-workers1984In: Acta Veterinaria Scandinavica, ISSN 1751-0147, E-ISSN 1751-0147, Vol. 25, no 2, p. 242-249Article in journal (Refereed)
  • 19.
    Danielsson Tham, Marie-Louise
    et al.
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Hellberg, Bo
    Department of Food Hygiene, Royal Veterinary College, Stockholm, Sweden.
    The biochemical activity of enterotoxin and non-enterotoxin producing staphylococci1977In: Acta Veterinaria Scandinavica, ISSN 1751-0147, E-ISSN 1751-0147, Vol. 18, no 2, p. 266-273Article in journal (Refereed)
  • 20.
    Danielsson-Tham, Marie-Louise
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Döden i grytan1996In: Icke mat allenast: En vänbok till Carl Jan Granqvist 1946-1996 / [ed] Jan Hagenfeldt, Sture Nilsson och Magnus von Platen, Örebro: Kulinariska Samfundet , 1996, p. 35-44Chapter in book (Refereed)
  • 21.
    Danielsson-Tham, Marie-Louise
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Endringar i det mikrobiologiska økosystem: Betydning for næringsmiddelshygienen. Tilbake till hygienen? Hva bringer fremtiden av infeksjons-og resistensproblemer? Hvordan møter vi problemene? Hva kan internasjonale organer gjøre, hva gjør vi selv?1996In: Etterutdanning i veterinærmedisin, Veterinærhygienisk Forening , 1996, p. 1-3Conference paper (Refereed)
  • 22.
    Danielsson-Tham, Marie-Louise
    Örebro University, School of Hospitality, Culinary Arts & Meal Science.
    Fekala funderingar2003In: Svensk veterinärtidning, ISSN 0346-2250, Vol. 55, no 15, p. 53-53Article in journal (Other (popular science, discussion, etc.))
  • 23.
    Danielsson-Tham, Marie-Louise
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Kontroll av animaliska livsmedel: reflektioner över situationen i Sverige1996Conference paper (Refereed)
  • 24.
    Danielsson-Tham, Marie-Louise
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Lura rötmånaden!1995In: SLU just nu! – Personaltidning för Sveriges lantbruksuniversitet, ISSN 1102-0954, no 5, p. 20-20Article in journal (Other (popular science, discussion, etc.))
    Abstract [sv]

    Tiden mellan den 22 juli och 23 augusti benämns i folkmun rötmånaden. Denna månad är känd för allehanda ruskigheter. Då föds kalvar med två huvuden, såren vill inte läka och mjölken surnar.

  • 25.
    Danielsson-Tham, Marie-Louise
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Med ögat på rötmånaden1994In: Fakta – Konsumentgillet, no 1Article in journal (Other (popular science, discussion, etc.))
  • 26.
    Danielsson-Tham, Marie-Louise
    Örebro University, School of Hospitality, Culinary Arts & Meal Science.
    Mjölkontrollens historia: förfalskad grädde och TBC – problem på 1800-talet2003In: Vår Föda, ISSN 0042-2657, no 6, p. 12-14Article in journal (Refereed)
  • 27.
    Danielsson-Tham, Marie-Louise
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Ny teknologi och nya mattrender: hygieniska synpunkter1996In: Etterutdannning i veterinærmedisin, Trondheim: Veterinærhygienisk Forening , 1996Conference paper (Refereed)
  • 28.
    Danielsson-Tham, Marie-Louise
    Örebro University, School of Hospitality, Culinary Arts & Meal Science.
    Så slipper vi matförgiftningar2005In: Miljöforskning, Formas tidning för ett hållbart samhälle, ISSN 1650-4925, no 3, p. 24-25Article in journal (Other (popular science, discussion, etc.))
  • 29.
    Danielsson-Tham, Marie-Louise
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Vad har hänt sedan Arlandamötet?1995In: Svensk veterinärtidning, ISSN 0346-2250, Vol. 47, no 6, p. 289-290Article in journal (Refereed)
  • 30.
    Danielsson-Tham, Marie-Louise
    Örebro University, School of Hospitality, Culinary Arts & Meal Science.
    Vatten på butelj eller från kran: trender och vetenskap2004In: Vatten på butelj eller från kran?: rapport från KSLA:s konferens 13 oktober 2004 / [ed] Roger Olsson, Stockholm: Kungliga Skogs- och Lantbruksakademien , 2004, p. 5-9Chapter in book (Other (popular science, discussion, etc.))
  • 31.
    Danielsson-Tham, Marie-Louise
    et al.
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala.
    Bannerman, Elisabeth
    Institut Pasteur, Paris, France.
    Bille, Jacques
    Lausanne, Switzerland.
    Ericsson, Henrik
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala.
    Jacquet, Christine
    Institut Pasteur, Paris, France.
    Loncarevic, Semir
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala.
    Rocourt, Jocelyne
    Institut Pasteur, Paris, France.
    Tham, Wilhelm
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala.
    Ursing, Jan
    Malmö Allmänna Sjukhus, Malmö, Sweden.
    The characterization of Swedish human Listeria monocygtogenes strains isolated 1958–19941995In: Proceedings of the XII International Symposium on Problems of Listeriosis, Canning Bridge: Promaco Conventions , 1995, p. 469-469Conference paper (Refereed)
  • 32.
    Danielsson-Tham, Marie-Louise
    et al.
    Department of Food Hygiene, Faculty of Veterinary Medicine, SLU, Uppsala.
    Eriksson, E.
    Department of Bacteriology, National Veterinary Institute, Uppsala.
    Helmersson, Seved
    1Department of Food Hygiene, Faculty of Veterinary Medicine, SLU, Uppsala.
    Leffler, My
    Section of Veterinary Service and Food Control, County Administrative Board of Gävleborg, Gävle, .
    Lüdtke, Lena
    1Department of Food Hygiene, Faculty of Veterinary Medicine, SLU, Uppsala.
    Steen, Margareta
    Section of Veterinary Service and Food Control, County Administrative Board of Gävleborg, Gävle, Sweden.
    Sørgjerd, Sölvi
    1Department of Food Hygiene, Faculty of Veterinary Medicine, SLU, Uppsala.
    Tham, Wilhelm
    1Department of Food Hygiene, Faculty of Veterinary Medicine, SLU, Uppsala.
    Causes behind a human cheese-borne outbreak of gastrointestinal listeriosis2004In: Foodborne pathogens and disease, ISSN 1535-3141, E-ISSN 1556-7125, Vol. 1, no 3, p. 153-159Article in journal (Refereed)
    Abstract [en]

    In a previous paper, we reported an outbreak of gastrointestinal listeriosis due to consumption of fresh cheese made from raw milk and manufactured on a summer farm. The aim of the present study was to investigate why the cheese harbored Listeria monocytogenes. To our knowledge, this is the first documented outbreak of listeriosis caused by raw milk cheese where the human epidemic strain has been cultured from a dairy animal, whose milk has been used for cheese production. The conditions on a summer farm can hardly fulfil the requirements for hygienic and strictly controlled conditions necessary for safe processing of fresh cheese.

  • 33.
    Danielsson-Tham, Marie-Louise
    et al.
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala.
    Prag, Mårten
    Dep of Infectious Diseases, Örebro County Hospital, Örebvro, Sweden.
    Rocourt, Jocelyne
    Institut Pasteur, Paris, France.
    Seeliger, Heinz
    Institut für Hygiene und Mikrobiologie der Universität Würzburg, Würzburg, Germany.
    Tham, Wilhelm
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala.
    Vikerfors, T.
    Dep of Infectious Diseases, Örebro County Hospital, Örebvro, Sweden.
    A fatal case of Listeria endocarditis in a man following his tending of goats suggests an epidemiological link which is not supported by the results1997In: Journal of Veterinary Medicine Series B-Infectious Diseases and Veterinary Public Health, ISSN 0931-1793, E-ISSN 1439-0450, Vol. B 44, no 1-10, p. 253-256Article in journal (Refereed)
    Abstract [en]

    A man died in endocarditis due to listeriosis in the late autumn. He had been looking after two goats during the summer. Listeria monocyto?enes was isolated from a rectal swab from one of the goats. The goat faeces isolate and the human blood isolate were of identical serovar. The two isolates, however, were shown to be different by multilocus electrophoretic enzyme analysis and ribotyping, as well as by biotyping, Thus, these results do not support the hypothesis that the man was infected by the goat.

  • 34.
    Danielsson-Tham, Marie-Louise
    et al.
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Tham, Wilhelm
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    A case of food-borne listerios in Sweden and the significance of correct analyses of the food1995In: 9th World Congress of Food Science and Technology: abstracts of lectures and posters. Vol. II, Budapest, Hungary: The Hungarian Scientific Society for Food Industry , 1995, p. 159-159Conference paper (Refereed)
  • 35.
    Danielsson-Tham, Marie-Louise
    et al.
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala.
    Tham, WilhelmDepartment of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala.
    Concluding remarks and general discussion: Food Associated Pathogens, May 6-8, 1996, Uppsala, Sweden1997Conference proceedings (editor) (Other academic)
  • 36.
    Danielsson-Tham, Marie-Louise
    et al.
    Örebro University, School of Hospitality, Culinary Arts & Meal Science.
    Tham, Wilhelm
    Örebro University, School of Hospitality, Culinary Arts & Meal Science.
    Listeria – insigths and reflections2004In: ISOPOL XV – XV International Symposium on Problems of ListeriosisUppsala, Sweden, September 12–15, 2004 / [ed] Marie-Louise Danielsson-Tham, Wilhelm Tham och Henrik Ericsson, Uppsala: Dep of Food Hygiene, Faculty of Veterinary Medicine and Animal Sciences, SLU , 2004, p. Abstract Nr. 151-Conference paper (Refereed)
  • 37.
    Danielsson-Tham, Marie-Louise
    et al.
    Örebro University, School of Hospitality, Culinary Arts & Meal Science.
    Tham, WilhelmÖrebro University, School of Hospitality, Culinary Arts & Meal Science.
    Proceedings and Programme: Food Associated Pathogens, May 6-8, 1996, Uppsala, Sweden1996Conference proceedings (editor) (Refereed)
  • 38.
    Danielsson-Tham, Marie-Louise
    et al.
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala.
    Tham, WilhelmDepartment of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala.
    Proceedings of the symposium Food Associated Pathogens, May 6-8, 1996, Uppsala, Sweden1996Conference proceedings (editor) (Refereed)
  • 39.
    Danielsson-Tham, Marie-Louise
    et al.
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Tham, Wilhelm
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Programme Opening Ceremony: Food Associated Pathogens1996In: Proceedings of the symposium Food Associated Pathogens, May 6-8, 1996, Uppsala, Sweden / [ed] Wilhelm Tham & Marie-Louise Danielsson-Tham, Uppsala: SLU, Department of Food Hygiene , 1996Conference paper (Refereed)
  • 40. Domingo, Jose L.
    et al.
    Ericson Jogsten, Ingrid
    Örebro University, School of Science and Technology.
    Eriksson, Ulrika
    Örebro University, School of Science and Technology.
    Martorell, Isabel
    Perello, Gemma
    Nadal, Marti
    van Bavel, Bert
    Örebro University, School of Science and Technology.
    Human dietary exposure to perfluoroalkyl substances in Catalonia, Spain: temporal trend2012In: Food Chemistry, ISSN 0308-8146, E-ISSN 1873-7072, Vol. 135, no 3, p. 1575-1582Article in journal (Refereed)
    Abstract [en]

    In this study, we assessed the levels of 18 perfluoroalkyl substances (PFASs) in the most widely consumed foodstuffs in Catalonia, Spain, as well as the total dietary intake of these compounds. Forty food items were analysed. Only perfluoropentanoic acid (PFPeA), perfluorohexadecanoic acid (PFHxDA) and perfluorooctanoicdecanoic acid (PFOcDA) were not detected in any sample. Perfluorooctane sulfonate (PFOS) was the compound found in the highest number of samples (33 out of 80), followed by perfluorooctanoic acid (PFOA), perfluoroheptanoic acid (PFHpA), perfluorohexane sulfonic acid (PFHxS), perfluorodecanoic acid (PFDA) and perfluorodecane sulfonic acid (PFDS). Fish and shellfish was the food group in which more PFASs were detected and where the highest PFAS concentrations were found. The highest dietary intakes corresponded to children, followed by male seniors, with values of 1787 and 1466 ng/day, respectively. For any of the age/gender groups of the population, the Tolerable Daily Intakes (TDIs) recommended by the EFSA were not exceeded. In general terms, PFAS levels found in the current study are lower than the concentrations recently reported in other countries.

  • 41.
    Eilertz, Ingrid
    et al.
    Department of Food Hygiene, Faculty of Veterinary Medicine, University of Agricultural Sciences, Uppsala, Sweden.
    Danielsson Tham, Marie-Louise
    Department of Food Hygiene, Faculty of Veterinary Medicine, University of Agricultural Sciences, Uppsala, Sweden.
    Hammarberg, Karl-Erik
    Department of Food Hygiene, Faculty of Veterinary Medicine, University of Agricultural Sciences, Uppsala, Sweden.
    Reeves, MW
    Rocourt, Jocelyne
    Laboratoire des Listeria, Institute Pasteur, Paris, France.
    Seeliger, HPR
    Institute für Hygiene und Mikrobiologie, Würzburg, Germany.
    Swaminathan, Balasubramanian
    Centers for Disease Control and Prevention, Atlanta GA, USA.
    Tham, Wilhelm
    Department of Food Hygiene, Faculty of Veterinary Medicine, University of Agricultural Sciences, Uppsala, Sweden.
    Isolation of Listeria monocytogenes from goat cheese associated with a case of listeriosis in goat1993In: Acta Veterinaria Scandinavica, ISSN 1751-0147, E-ISSN 1751-0147, Vol. 34, no 2, p. 145-149Article in journal (Refereed)
    Abstract [en]

    Listeria monocytogenes was isolated from the brain of a goat, which was euthanized due to listeriosis. A few weeks later a similar subtype of L. monocytogenes was isolated from an on-farm manufactured fresh cheese which did not contain any milk from the goat which had suffered from listeriosis. A similar subtype was also found on 1 of the shelves in the refrigerator where cheeses were stored. Prior to the onset of listeriosis, 1 fresh cheese had been made of milk from the actual goat, which may have excreted L. monocytogenes in her milk. Thus, the cheese made of this milk may have contaminated the shelves in the refrigerator which then has served as a Listeria reservoir for new cheeses during several weeks.

  • 42.
    Eklöw, A.
    et al.
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Danielsson-Tham, Marie-Louise
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Ericsson, Henrik
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Loncarevic, Semir
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Mentzing, L.-O.
    Communicable Disease Center for Värmland, Karlstad Central Hospital, Karlstad, Sweden.
    Persson, I
    Communicable Disease Center for Värmland, Karlstad Central Hospital, Karlstad, Sweden.
    Unnerstad, Helle
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Tham, Wilhelm
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Listeriosis in the province of Värmland: The first reported outbreak of food-borne listeriosis in Sweden1996In: Proceedings of the symposium Food Associated Pathogens, May 6-8, 1996, Uppsala, Sweden / [ed] Wilhelm Tham & Marie-Louise Danielsson-Tham, Uppsala: SLU, Department of Food Hygiene , 1996, p. 222-223Conference paper (Refereed)
  • 43. Eklöw, Annelie
    et al.
    Danielsson-Tham, Marie-Louise
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Bannerman, Elisabeth
    Bille, Jacquet
    Ericsson, Henrik
    Jacquet, Christine
    Loncarevic, Semir
    Rocourt, Jocelyne
    Tham, Wilhelm
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Ursing, Jan
    Three important clones of Listeria monocytogenes1996In: Proceedings of the symposium Food Associated Pathogens, May 6-8, 1996, Uppsala, Sweden / [ed] Wilhelm Tham & Marie-Louise Danielsson-Tham, Uppsala: SLU, Department of Food Hygiene , 1996, p. 221-222Conference paper (Refereed)
    Abstract [en]

    The object of this study was to characterize Swedish human strains of Listeria monocytogenes

  • 44.
    Eklöw, Annelie
    et al.
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Danielsson-Tham, Marie-Louise
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Tham, Wilhelm
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Ericsson, Henrik
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Loncarevic, Semir
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Unnerstad, Helle
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Värmlandsutbrottet – det första listeriosutbrottet i Sverige där smittkällan identifierats1995In: Poster-sammanfattningar – Livsmedel 95, Uppsala, Uppsala, 1995, p. MM13-MM13Conference paper (Refereed)
  • 45.
    Engvall, Anders
    et al.
    Department of Epizootiology and the Bacteriological Laboratory, National Veterinary Institute, Uppsala, Sweden.
    Bergqvist, Åsa
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Sandstedt, Karin
    Department of Epizootiology and the Bacteriological Laboratory, National Veterinary Institute, Uppsala, Sweden.
    Danielsson Tham, Marie-Louise
    Örebro University, School of Hospitality, Culinary Arts & Meal Science. Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Colonization of broilers with campylobacter in conventional broiler-chicken flocks1986In: Acta Veterinaria Scandinavica, ISSN 1751-0147, E-ISSN 1751-0147, Vol. 27, no 4, p. 540-547Article in journal (Refereed)
  • 46.
    Ericsson, Henrik
    et al.
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Danielsson Tham, Marie-Louise
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Stålhandske, Per
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Tham, Wilhelm
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala, Sweden.
    Subtypning av en i Sverige vanlig fagovar av Listeria monocytogenes1992In: Svenska Läkaresällskapets Riksstämma 25–27 november 1992: Program & sammanfattningar / [ed] Lars Åke Pellborn, Stockholm: Svenska läkaresällskapet , 1992, p. 250-250Conference paper (Other academic)
  • 47.
    Ericsson, Henrik
    et al.
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala.
    Danielsson-Tham, Marie-Louise
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala.
    Tham, Wilhelm
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala.
    Listeria monocytogenes serovar 4b strains divided into two groups using polymerase chain reaction (PCR) and restriction enzyme analysis (REA)1995In: Proceedings of the XII Interenational Symposium on Problems of Listeriosis, Canning Bridge: Promaco Conventions , 1995, p. 421-421Conference paper (Refereed)
  • 48.
    Ericsson, Henrik
    et al.
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala.
    Stålhandske, Per
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala.
    Danielsson-Tham, Marie-Louise
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala.
    Bannerman, Elisabeth
    Medical Bacteriology Laboratory, University Hospital, Lausanne, Switzerland.
    Bille, Jacques
    Medical Bacteriology Laboratory, University Hospital, Lausanne, Switzerland.
    Jacquet, Christine
    Centre National de Référence des Listeria, World Health Organization Collaborating Center for Foodborne Listeriosis, Institut Pasteur, Paris, France.
    Rocourt, Jocelyne
    Centre National de Référence des Listeria, World Health Organization Collaborating Center for Foodborne Listeriosis, Institut Pasteur, Paris, France.
    Tham, Wilhelm
    Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala.
    Division of Listeria monocytogenes serovar 4b strains into two groups by PCR and restriction enzyme analysis1995In: Applied and Environmental Microbiology, ISSN 0099-2240, E-ISSN 1098-5336, Vol. 61, no 11, p. 3872-3874Article in journal (Refereed)
    Abstract [en]

    Altogether, 133 strains of Listeria monocytogenes serovar 4b were investigated, A segment of 2,916 bp containing parts of the two genes inlA and inlB in L. monocytogenes was amplified by the PCR technique. The PCR product obtained was cleaved with the restriction enzyme AluI, and the fragments generated were separated by gel electrophoresis, leading to two distinct groups: PCR-restriction enzyme analysis groups I and II, containing 37 and 96 strains, respectively, The PCR-restriction enzyme analysis method described in this paper could be a useful tool for the subtyping of L. monocytogenes serovar 4b strains.

  • 49.
    Ericsson, Henrik
    et al.
    Inst för livsmedelshygien, Veterinärhögskolan, Stockholm, Sverige.
    Unnerstad, Helle
    Avd för mastit och substratproduktion, SVA, Uppsala, Sverige.
    Alderborn, Anders
    Pyrosequencing AB, Uppsala, Sverige.
    Tham, Wilhelm
    Örebro University, School of Hospitality, Culinary Arts & Meal Science.
    Danielsson-Tham, Marie-Louise
    Örebro University, School of Hospitality, Culinary Arts & Meal Science.
    Mattsson, Jens G.
    Avd för parasitologi, SVA, Uppsala, Sverige.
    Pyrosekvensering som typningsmetod för Listeria monocytpgenes2003In: Svensk veterinärtidning, ISSN 0346-2250, Vol. 55, no 4, p. 23-26Article in journal (Refereed)
  • 50.
    Feng, X. M.
    et al.
    Department of Microbiology, Swedish University of Agricultural Sciences (SLU), Sweden.
    Eriksson, A. R. B.
    Department of Microbiology, Swedish University of Agricultural Sciences (SLU), Sweden.
    Schnürer, Johan
    Department of Microbiology, Swedish University of Agricultural Sciences (SLU), Uppsala, Sweden.
    Growth of lactic acid bacteria and Rhizopus oligosporus during barley tempeh fermentation2005In: International Journal of Food Microbiology, ISSN 0168-1605, E-ISSN 1879-3460, Vol. 104, no 3, p. 249-256Article in journal (Refereed)
    Abstract [en]

    The zygomycete Rhizopus oligosporus is traditionally used to ferment soybean tempeh, but it is also possible to ferment other legumes and cereals to tempeh, The traditional soybean tempeh harbours a multitude of microorganisms with potentially beneficial or detrimental effects on quality. Lactic acid bacteria (LAB) have positive effects on the safety of soybean tempeh, but the effects of LAB on R. oligosporus growth have not been investigated. We have developed a cereal grain tempeh by fermenting pearled barley with R. oligosporus ATCC 64063. Four LAB species, Lactobacillus plantarum, Lactobacillus fermentum, Lactobacillus reuteri and Lactococcus lactis were assessed for their growth abilities and their effects on R. oligosporus growth during barley tempeh fermentation. Growth of LAB was assayed as colony forming units (cfu), while growth of R. oligosporus was measured as ergosterol content and hyphal length. The two fungal measurements highly correlated (r=0.83, P < 0.001, n = 90). The ergosterol content of fungal mycelia ranged from 11.7 to 30.1 mg/g fungal dry matter. L. plantarum multiplied from 4.8 to 7.4 log cfu/g dry tempeh and L. fermentum increased from 4.4 to 6.8 log cfu/g during 24 h incubation at 35 degrees C. L. reuteri and L. lactis had significantly slower growth, with increases from 4.8 to 5.6 log cfu/g and 5.0 to 5.4 log cfu/g, respectively. The growth of R. oligosporus and the final pH (4.9) in barley tempeh were not significantly influenced by any of the LAB investigated.

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