Studies on Psychrophilic Bacteria. I. Distribution in Stored Commercial Dairy Products
نویسندگان
چکیده
منابع مشابه
Microbiological quality of commercial dairy products
The purpose of this research was to assess the hygienic properties of commercially available dairy foods. The products surveyed included liquid milks (pasteurized and UHT-treated), cultured dairy products (kefir, cultured buttermilk, sour cream, yogurt, probiotic fermented milks), cheeses (quarg products, soft, semi-hard, hard, and extra hard cheeses made from bovine, caprine, and ovine milk), ...
متن کاملGrowth of psychrophilic bacteria.
On the basis of the temperature range in which growth can occur, bacteria are usually divided into 3 groups, namely: thermophiles, mesophiles, and psychrophiles (sometimes called cryophiles or rhigophiles). Thermophiles have temperature optima (generally quite close to temperature maxima) 10 to 25 degrees above the temperature optima of mesophiles. Thermophiles and mesophiles are easily disting...
متن کاملMicrobial Contamination of Commercial and Traditional Doogh Dairy Products in Lorestan Province of Iran
Background: Doogh is a popular dairy beverage in Iran which its main ingredient is yogurt. The aim of this study was evaluation of bacterial and fungal contamination of this product marketed in Lorestan province, West of Iran. Methods: A total of 200 doogh samples consisted of 150 commercial samples, including five different brands and also 50 homemade samples were purchased randomly from mark...
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Emerging Infectious Diseases • www.cdc.gov/eid • Vol. 20, No. 11, November 2014 1933 to low concentrations of rifampin. To confirm that this effect was a result of persistence rather than generation of resistant mutants, we transferred the colonies growing after transient rifampin exposure of Beijing strain 1585 to a medium containing 8 mg/L rifampin. Their growth was completely inhibited, and ...
متن کاملAnaerobic growth of psychrophilic bacteria.
Upadhyay, J. (Washington State University, Pullman) and J. L. Stokes. Anaerobic growth of psychrophilic bacteria. J. Bacteriol. 83:270-275. 1962.-Facultatively anaerobic psychrophilic bacteria are widely distributed in nature and can be readily isolated from a variety of foods, soil, sewage, and other habitats. Strictly anaerobic psychrophiles, however, could not be isolated. Temperature and ox...
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ژورنال
عنوان ژورنال: Journal of Dairy Science
سال: 1960
ISSN: 0022-0302
DOI: 10.3168/jds.s0022-0302(60)90168-5