Article By : Dheeraj Sharma
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Food :
Food are materials, raw, processed or formulated, that
are consumed orally by humans or animals for growth, health, satisfaction,
pleasure and satisfying social needs.
Food are mainly composed of water, lipids, fat and
carbohydrate with small proportions of minerals and organic compounds.
Important Points :
Food
preservation
Food Spoilage :
Food spoilage may be defined as any change that
renders food unfit for human consumption. These
changes may be caused by various factors, including contamination by
microorganisms, infestation by insects, or degradation by
endogenous enzymes (those present naturally in the food).
- Microbial
- Physical
- Chemical
- Enzymatic reactions
- Autoxidation
- Maillard reaction
- Light-induced reactions
Questions :

- Why does nonfat dry milk sometimes become tan or brownish ?
- Why does shredded, dried coconut become tan or brownish ?
- What if a newly purchased package of dried fruits contains brown peaches and apricots ?
- What has caused butter stored in the refrigerator to have an off-odor ?
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