Multiple choice

The main ingredient of onion oil is

  1. Allantoic acid

  2. Allantoin

  3. Allyl propyl disulfide

  4. Allylamine
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Allyl propyl disulfide is an organic compound with the chemical formula C6H12S2. It is a pale-yellow liquid with a strong odour, it is a main ingredient in onion oil and used as food additives and flavours.

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