What are the two types of dietary fiber and their functions?
The two types of dietary fiber are soluble and insoluble fiber. Soluble fiber dissolves in water and forms a viscous gel that slows gastric emptying, aiding in glucose absorption and promoting satiety. Insoluble fiber does not dissolve; it adds bulk to stool, stimulates intestinal contractions, and accelerates transit time, which can reduce the risk of colorectal cancer.
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