what are dietary fiber ? give two functions of dietary fiber
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Dietary fiber or roughage is the portion of plant-derived food that cannot be completely broken down by human digestive enzymes. Dietary fibers are diverse in chemical composition, and can be grouped generally by their solubility, viscosity, and fermentability, which affect how fibers are processed in the body.
Dietary fiber increases the weight and size of your stool and softens it.
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