The dietary fibers or dietary fibres (see spelling differences) or roughage are the indigestible portion of food derived from plants. There are two main components: Dietary fibers can act by changing the nature of the contents of the gastrointestinal tract and by changing how other nutrients and chemicals are absorbed. Some types of soluble fiber ...
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the part of food that cannot be broken down by intestinal enzymes and juices and so passes through the small intestine and colon undigested. It is composed of cellulose, gums, pectin, and other carbohydrates indigestible by humans. Vegetables, cereals, and fruits are the main sources of dietary fiber. Its primary effects ...
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(aka Crude Fiber) Fibers are a group of diverse and complex compounds whose single common property is their ability to resist digestion in the stomach and small intestine.
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Type: Term Definitions: 1. plant polysaccharides and lignin that are resistant to hydrolysis by the digestive enzymes in humans.
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dietary fiber (roughage) That part of food that can not be digested in the gastrointestinal tract, although it can be metabolized in the colon by the micro-organisms that exist there. Fiber roughage consists of four categories: cellulose, hemicelluloses, lignins and pectins; found in unrefined foods; such as, wholemeal cereals and flour, root vege...
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fiber (def. 9).
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https://www.infoplease.com/dictionary/dietary-fiber
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