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EnRou EnRou
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6 years ago
Distinguish between oxidative and hydrolytic rancidity.
 
  What will be an ideal response?
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6 years ago
Both are forms of spoilage in fats. Oxidative rancidity occurs in polyunsaturated oils where oxygen adds at double bonds. This is a self-perpetuating reaction where free radicals, peroxides, and hydroperoxides are formed. Hydrolytic rancidity occurs in meat and dairy products where the triglyceride is lipolyzed to yield glycerol and free fatty acids. Both cause poor odor and taste.
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