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Appl Environ Microbiol. 1982 February; 43(2): 486-487
ABSTRACT
Treatment of frozen dairy products with trypsin and Tween 80 before membrane filtration for microbiological analysis was faster and cost less than treatment with Streptomyces griseus protease-Tween 80. Viable cell counts so Escherichia coli, Staphylococcus aureus, Streptococcus faecium, and Salmonella typhimurium were not reduced.
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