HUMAN NUTRITION

NUTRITION

DIGESTIVE SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which one of the following enzymes attacks starch?
A
Maltase
B
Sucrase
C
Lactase
D
Amylase
Explanation: 

Detailed explanation-1: -Amylase is a digestive enzyme that acts on starch in food, breaking it down into smaller carbohydrate molecules. Once food along with salivary amylase enters the stomach, action of hydrolytic enzymes lead to amylase deactivation.

Detailed explanation-2: -Human amylase is secreted by both the pancreas and salivary glands. These enzymes digest starch and glycogen in the diet.

Detailed explanation-3: -Amylases digest starch into smaller molecules, ultimately yielding maltose, which in turn is cleaved into two glucose molecules by maltase. Starch comprises a significant portion of the typical human diet for most nationalities.

Detailed explanation-4: -Amylases are starch-degrading enzymes that catalyze the hydrolysis of internal -1-4 glycosidic bonds in polysaccharides to form simpler sugar constitutes and limit dextrins. They are widely distributed in the microbial, plant, and animal kingdoms.

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