Digestive EnzymesHESI A2 cheat sheet

Which enzyme, which food, where

9 key facts 5 practice questions Reviewed Oct 2026

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Carbohydrates

Salivary amylase — mouth
Pancreatic amylase — small intestine
Lactase, maltase, sucrase — brush border

Protein

Pepsin — stomach, needs acid
Trypsin and chymotrypsin — pancreas
Peptidases — small intestine

Fat

Lipase — pancreas
Bile is not an enzyme — it emulsifies fat first

Pattern

Most enzyme names end in -ase (pepsin and trypsin are exceptions); the pancreas supplies all three groups

Key takeaway

Which enzyme, which food, where

Before you read

Test yourself first: 5 questions

Question 1 of 5

The pancreas releases digestive enzymes into the:

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