Dietary fiber is a non-nutrient component of food, but it is good for human health. Dietary fiber includes soluble fiber and insoluble fiber. Soluble fiber, as the name suggests, can be dissolved in water and can absorb water, and can be fermented by microorganisms in the large intestine a class of fibers, often found in plant cell fluid and interstitial cells, mainly pectin, plant gum, viscose and so on.
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