Spoilage of oil can be detected by which fatty acid?1) Oleic acid2) Linolenic acid3) Linoleic acid4) Erucic acid

Kindly answer sir/mam.

The correct option is 4).

Erucic acid, a monounsaturated omega-9 fatty acid. It is present in more concentration in oils and is easily degraded by microorganisms and produces foul odour of oils. Thus, its presence is used to detect spoilage of oils.

Thus, in order to prevent rancidity or spoilage of oils, its quantity in refined oils is reduced upto 1%.

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