HUMAN NUTRITION

NUTRITION

LIPIDS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A fat that has spoiled, giving it an unpleasant smell and taste, is ____
A
infected
B
feces
C
mold
D
rancid
Explanation: 

Detailed explanation-1: -having a rank, unpleasant, stale smell or taste, as through decomposition, especially of fats or oils: rancid butter.

Detailed explanation-2: -Rancidity is used to indicate unpleasant smell and taste of fat and oil containing food.

Detailed explanation-3: -When fats and oils stay in open for long, they get oxidized and become rancid (old and stale), and their smell and taste change. This process is known as rancidity.

Detailed explanation-4: -There are five types of rancidity: oxidative, hydrolytic, enzymatic, photooxidative, and microbial. Oxidative rancidity is caused by the oxidation of unsaturated fatty acids, which leads to the formation of aldehydes and ketones.

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