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Nutrition Glossary


Updated April 25, 2014

digestive system
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Definition: Specialized substances that act as a catalysts to regulate the speed of chemical reactions involved in the metabolism of living organisms.

In nutrition, enzymes are substances that break down carbohydrates, proteins and fats for digestion and absorption.

Digestive enzymes include lipase, which breaks down fats; amylase, which down sugars and carbohydrates: and protease, which breaks down proteins.

Back to the Nutrition Glossary


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