The digestion of fat in human intestine is performed by

trypsin

bile and lipase

bile and amylase

bile and pepsin

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UPSC NDA-2 – 2022

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The digestion of fat in the human intestine is primarily performed by enzymes called lipases, which break down fats into fatty acids and glycerol. Bile, produced by the liver and stored in the gallbladder, is released into the intestine to emulsify large fat globules into smaller droplets. This emulsification increases the surface area available for lipase action, making the digestion more efficient.

Fat digestion requires both the emulsifying action of bile and the enzymatic action of lipase.

Trypsin and pepsin are enzymes that digest proteins. Amylase is an enzyme that digests carbohydrates (starch). Without bile, the digestion of fats by lipase would be very slow and incomplete due to the large size of fat globules. The major fat-digesting enzyme in the intestine is pancreatic lipase.

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