Dietary fibre refers to mainly indigestiblecarbohydratesfound in plant-based foods. Most dietary fibre is in the form ofpolysaccharides.
Dietary fibre is divided into two groups:
Soluble fibre, for example, inulin, pectin, or xylose.
Insoluble fibre, for example,cellulose, chitin,resistant starch.
Starch, also a polysaccharide, differs from dietary fibre in that the bonds between its monosaccharides cannot be broken down by the digestive enzymes in the body. A few starches, known asresistant starches, are classified as dietary fibre.
Fibre is highly beneficial to the digestive system. It promotes regular bowel movement by adding bulk to food waste, and it slows down the absorption rate of glucose from food.
Fibre helps remove excess cholesterol from the body. It binds to the cholesterol in the small intestine and transports cholesterol out of the body through feces.
Fibre-rich diets also have a protective role in reducing the occurrence of coloncancer.
此外,一顿高纤维,如一个骗局taining whole-grains and vegetables, gives a feeling of fullness for longer.
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