Survival of Salmonella montevideo on Wheat Stored at Constant Relative Humidity
نویسندگان
چکیده
منابع مشابه
Transmission of Salmonella montevideo in wheat by stored-product insects.
Sitophilus oryzae (L.), S. granarius (L.), Tribolium castaneum (Hbst.), Oryzaephilus surinamensis (L.), Rhyzopertha dominica (F.), Tenebroides mauritanicus (L.), and Cryptolestes pusillus (Schon.) transmitted Salmonella montevideo from wheat contaminated with 10(6) organisms/g to clean wheat. The insects were fed on the contaminated grain for 21 days and were then transferred to clean grain and...
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The influences of the relative humidity (RH) and storage temperature on the colonization of tomato surfaces by Salmonella Montevideo were studied. Red, ripe tomatoes (Lycopersicon esculentum) were spot inoculated in three separate trials with 100 pl (approximately 10(6) CFU) of Salmonella Montevideo and stored for 90 min at 22 degrees C under 97% RH to facilitate attachment of cells to the blos...
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Salmonella typhimurium survived freeze-drying at a platen temperature of 120 F (48.9 C) and also, though to a much lesser degree, at 160 F (82.6 C). The extent of the survival at these temperatures was dependent on the composition of the model system employed. The incidence of damage immediately after freeze-drying was greater for cells dried at the higher platen temperature and was influenced ...
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PREVIOUS analyses of Salmonella typhimurium-Salmonella monteuideo hybrids from this laboratory have relied on P22-mediated transduction to determine the region of hybridity in the chromosome of individual hybrid strains ( GLATZER, LABHIE and ARMSTRONG 1966; ARMSTRONG 1967). For these studies, the hybrid strains serve as the donor, and S. typhimurium auxotrophs as recipients. Transducing fragmen...
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ژورنال
عنوان ژورنال: Applied Microbiology
سال: 1969
ISSN: 0003-6919
DOI: 10.1128/am.18.5.911-914.1969