膳食纤维是食物中不被小肠消化酶消化、吸收,直接进入大肠,从粪便中排出的成分,长期以来被认为是可有可无的,而未引起人们的重视。近年研究显示,它与人体健康、疾病防治有密切关系。膳食纤维是一个大家族,它包括植物 Dietary fiber is a component of food that is not digested by the digestive enzymes of the small intestine, absorbed directly into the large intestine, and excreted from the excrement, has long been considered dispensable without drawing much attention. Recent studies show that it is closely related to human health and disease prevention. Dietary fiber is a large family that includes plants