近几年来,膳食纤维这个默默无闻,甚至一度被人们作为贫穷的象征,却成了营养学家们争着抢着研究的对象。人们发现它在营养学上具有无法替代的特殊地位和作用,从而越来越引起人们的重视。 膳食纤维是人类膳食中一类含有二、三千葡萄糖分子的糖类物质。主要包括纤维素、木质纤维素、 In recent years, the unknown of dietary fiber, and even once as a symbol of poverty, has become a target for nutritionists who are vying for research. People find it has irreplaceable special status in nutrition and role, which has drawn more and more attention. Dietary fiber is a type of human diet containing two or three thousand glucose molecules of carbohydrates. Mainly include cellulose, lignocellulose,