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膳食纤维预防2型糖尿病的作用机制:(1)膳食纤维进入机体后吸水膨胀,增加胃内容物的黏度,延缓胃排空,使之不能集中进入小肠,从而避免血糖骤升。(2)经胃消化的食糜在超微膨胀的可溶性膳食纤维的包裹下形成凝胶状物质,在外周形成保护层,限制营养物质向肠道黏膜表面弥散,从而降低葡萄糖
Mechanism of Dietary Fiber in Preventing Type 2 Diabetes Mellitus: (1) The dietary fiber absorbs water and expands when it enters the body, increasing the viscosity of stomach contents and slowing the gastric emptying so that it can not concentrate into the small intestine and avoid the sudden rise of blood sugar. (2) Gastric digestion of the chyme in the super-swollen soluble dietary fiber formation under the gel-like material, formed in the outer protective layer, limiting the diffusion of nutrients to the intestinal mucosal surface, thereby reducing glucose