从流行病学的资料看来,有些地区糖尿病的发病率增高可能与食用植物纤维减少有关。摄取某些植物纤维能延缓食物中碳水化物的吸收,使餐后血糖升高的幅度减小,尿糖排出减少,因此高纤维膳食有助于糖尿病的控制。植物纤维还可与胆汁酸结合,增加粪便中胆盐的排岀,使血清胆固醇浓度降低。但高纤维的长期食用可能导致某些无机盐与维生素的缺乏,有待于进一步的观察与研究。一、植物纤维的分类植物纤维是可食植物的细胞壁,由上百种各种不同的碳水化物组成数百种多糖,目前尚 According to epidemiological data, the increased incidence of diabetes in some areas may be related to the reduction of fiber consumption in edible plants. Ingestion of certain plant fibers slows the absorption of carbohydrates in the diet, reducing the increase in postprandial blood glucose and reducing urinary glucose excretion, so high fiber diets contribute to the control of diabetes. Plant fiber can also be combined with bile acids, increased excretion of bile salt excretion, so that serum cholesterol levels decreased. However, the long-term consumption of high-fiber may lead to the lack of some inorganic salts and vitamins, pending further observation and research. First, the classification of plant fibers Plant fiber is the cell wall of edible plants, composed of hundreds of different kinds of carbohydrates hundreds of polysaccharides, the current