Local production of antimicrobial substance (Nisin) for use as food preservatives
1998
Ramirez, T.J. (Philippines Univ. Los Banos, College, Laguna (Philippines). National Inst. of Biotechnology and Applied Microbiology (BIOTECH)
Several formulations for active nisin production was tested. The medium contained 2% CaCO3, 4% glucose, 0.5% Tween 80 and 10% skim milk. A more active nisin was produced from Merck skim milk than that produced from Anchor non-fat milk as shown by bigger zones of inhibition at pH 4.0 to 5.5 when tested for Escherichia coli, Salmonella typhi, Staphyloccus aureus, Listeria, Yersinia and Bacillus which are common food contaminants
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