5 Questions
What is the purpose of the 4-Acrolin test?
To test for glycerol by heating with KHSO4 to form Acrolin
Describe the method of the 4-Acrolin test.
Mix 0.5ml of glycerol with 0.5ml of KHSO4 in a test tube, then heat and observe the change
What does the 4-Acrolin test indicate about glycerol?
It turns into a volatile substance with a smell similar to burned fat unsaturated aldehyde
What is rancidity of lipids?
When lipids are exposed to air and develop a foul taste and smell due to volatile fatty acids (VFA)
Explain why rancidity of lipids occurs.
Due to exposure to air at normal temperature, causing the development of volatile fatty acids
Learn about the 4-Acrolin test, used to distinguish between free and combined glycerol by heating with a dehydrated substance KHSO4. The test results in a volatile substance with a smell similar to burned fat unsaturated aldehyde known as Acrolin.
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