Food preservation principles
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In this chapter we will explore the different pysical, biological and chemical principles that play important roles in food processing, food spoilage, and food preservation.
1. Temperature Control
Microorganisms that are involved in food spoilage are sensitive to certain temperature ranges. Controling the ambient temperature of food storage conditions or heating or cooling food beyond these ranges can therefore be used to control microorganisms. Cooking food is a classic example for heat treatment, deep freezing food is another.