11th December 2019


How does temperature affect the growth of bacteria?

Generally,an increase in temperature will increase enzyme activity. But if temperatures get too high, enzyme activity will diminish and the protein (the enzyme) will denature. Every bacterial species has specific growth temperature requirements which is largely determined by the temperature requirements of its enzymes.

What is the holding temperature for cold food?

Temperature danger zone is between 41°F and 140°F. Keep hot food hot and cold food cold. Always use a thermometer to check food temperatures. Potentially hazardous foods must pass through the temperature danger zone as quickly as possible.

Why does bacteria grow faster in warmer temperatures?

E. Coli grow more rapidly in environments at around 37°C. This is because their enzymes work most effectively at this temperature. Mesophilic bacteria grow best at temperatures between 16 and 40°C and Thermophilic bacteria grow best at temperatures above 40°C , optimim growth at 50-60°C.
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