Question

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Define rancidity.Write two ways by which food industries prevent rancidity.​

Answer 1

Answer:

Rancidity is complete (or) incomplete oxidation (or) hydrolysis of fats and oils when exposed to air light moisture loss by bacterial action resulting in an unpleasant taste. a) 1) It can be presented by adding antioxidants to food containing fat and oil ex hydroxy anisole is added to butter.

Explanation:

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Answer 2

ANSWER

Rancidity is complete (or) incomplete oxidation (or) hydrolysis of fats and oils when exposed to air light moisture loss by bacterial action resulting in an unpleasant taste.

a) 1) It can be presented by adding antioxidants to food containing fat and oil ex hydroxy anisole is added to butter. 2) It can be presented by packing fat and oil containing foods in nitrogen gas.

b) 1) Nolten Nacl is hydroelectrically decomposed to form sodium metal.

2) aluminum metal is obtained by electric decomposition of bauxite (or) mixed with Cryolite

3) Carbonateores are thermally decomposed to give metal oxide which on reduction give metal.