Cosmetic microbiology
Draw a survival curve for E. coli in lotion where the starting APC = 106 cfu/g and the APC at 7 days is <10 cfu/g (also, no growth by enrichment of a 1 g sample, so APC <1 cfu/g at 7 days). How many log reductions occurred in 7 days and what is the D-value for E. coli in this product?
Draw a survival curve for E. coli in lotion where the starting APC = 106 cfu/g and the APC at 7 days is <10 cfu/g (also, no growth by enrichment of a 1 g sample, so APC <1 cfu/g at 7 days). How many log reductions occurred in 7 days and what is the D-value for E. coli in this product?
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