Our source of carbohydrates is plants. Plants compose carbohydrates in two forms: A- Storage carbohydrates which are: 1- Easily digested to release glucose quickly. 2- Of compact size for space economy of the plant. 3- Of spacial configuration that is compatible with Amylases Starch represents this group of storage carbohydrates. B- Structural carbohydrates which are: 1- Of large intra-molecular spaces to hold water inside the plant. 2- Not liable to digestion by carbohydrate digesting enzymes to guard against decay of living plants. 3- Of rigid nature for stature of plants ( they have no bones). Cellulose & Hemicellulose represent structural carbohydrate group. When humans eat digestible carbohydrates (starchy food),their digestion starts as soon as they are adm View the rest of this article
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