Define Factors Affecting Microbial Survival and Growth?
Microbes commonly present on the food, we have seen, include members of the genera Bacillus, Clostridium, Pseudomonas, Serratia, Proteus, Enterobacter, Micrococcus, Alcaligenes, Citrobacter, Rhizopus, Penicillium, Botrytis, Fusarium, Trichothecium etc. The types and number of microorganisms present in food depends on various factors. These are -
1. Nutritional Availability -
2. Water activity (aw)
3. pH
4. Oxygen
5. Temperature
6. Food Effects