Explain how microbes can cause food spoilage.

Microorganisms associated with foods can be categorized as "spoilage," "pathogenic," or "useful.'' Spoilage microorganisms are those that can grow in a food and cause undesirable changes in flavor, consistency (body and texture), color, or appearance. Also bacterial enzymes may effect slow deterioration of frozen or dried foods during long-time storage. These changes diminish the quality characteristics of foods and may render them ultimately unfit for human consumption. For example, refrigerated perishable foods such as milk, fresh __________ _______ ______ ______ ____ _________ ______ ___ ____ ______ ___.
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