Digestive enzymes
from class:
Nutrition for Nurses
Definition
Digestive enzymes are biological molecules that catalyze the breakdown of food into absorbable nutrients in the digestive system. They play a crucial role in converting complex macromolecules like proteins, carbohydrates, and fats into simpler forms.
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5 Must Know Facts For Your Next Test
- Digestive enzymes are produced by salivary glands, stomach, pancreas, and small intestine.
- Amylase breaks down carbohydrates into simple sugars.
- Proteases such as pepsin and trypsin break down proteins into amino acids.
- Lipases break down fats into fatty acids and glycerol.
- Enzyme activity can be influenced by pH levels and temperature.
Review Questions
- Which organs produce digestive enzymes?
- What is the function of amylase in digestion?
- How do proteases contribute to nutrient absorption?
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