Multiple choice

Spoilage of oil can be detected by which fatty acid?

  1. Linoleic acid

  2. Erucic acid

  3. Oleic acid

  4. Linolenic acid

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Erucic acid (C22H42O2) is a monoethenoid acid, that is the cis isomer of brassidic acid and makes up about 40-50% of the total fatty acid; crystalizes as needles from alcohol solution. It is soluble in ethanol and methanol.