Food Microbiology
The diet of many people is supplemented with food items preserved by special methods. Such food many be frozen, canned or dehydrated. It my be partly or completely baked or pre-cooked, ready for heating and serving. During preparation, such foods can be attacked by heterotrophic microorganisms for meeting their nutritional requirements. The unrestricted growth and multiplication of these microorganisms in food may render it unfit for consumption and result in spoilage or deterioration