What is dietry dietry fiber ???
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Dietary fiber or roughage is the portion of plant-derived food that cannot be completely broken down by digestive enzymes.[1] It has two main components:[2]
Soluble fiber – which dissolves in water – is readily fermented in the colon into gases and physiologically active by-products, such as short-chain fatty acids produced in the colon by gut bacteria;[1] it is viscous, may be called prebiotic fiber, and delays gastric emptying which, in humans, can result in an extended feeling of fullness.[1]
Insoluble fiber – which does not dissolve in water – is inert to digestive enzymes in the upper gastrointestinal tract and provides bulking.[1] Some forms of insoluble fiber, such as resistant starches, can be fermented in the colon.[1][3][4] Bulking fibers absorb water as they move through the digestive system, easing defecation
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Soluble fiber – which dissolves in water – is readily fermented in the colon into gases and physiologically active by-products, such as short-chain fatty acids produced in the colon by gut bacteria;[1] it is viscous, may be called prebiotic fiber, and delays gastric emptying which, in humans, can result in an extended feeling of fullness.[1]
Insoluble fiber – which does not dissolve in water – is inert to digestive enzymes in the upper gastrointestinal tract and provides bulking.[1] Some forms of insoluble fiber, such as resistant starches, can be fermented in the colon.[1][3][4] Bulking fibers absorb water as they move through the digestive system, easing defecation
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