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Acrolein test is positive for...

Acrolein test is positive for

A

Polysaccharides

B

Proteins

C

Oils and fats

D

Reducing sugars

Text Solution

Verified by Experts

The correct Answer is:
C
When a fat is heated strongly in the presence of a dehydrating agent such as `KHSO_4`, the glycerol portion of the molecule is dehydrated to form the unsaturated aldehyde acrolein, `CH_3 CH = CHCHO` , which has the peculiar odour of burnt grease. This is the standard test for fats.
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