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粗纤维食物虽好,但老年人,特别是肠胃功能较弱的老年人,每天吃一顿粗纤维食物就足够了。经常吃粗纤维食物对糖尿病、高脂血症和心血管疾病有很好的防治作用。但老年人,特别是肠胃功能较弱的老年人,粗纤维食物吃得过多,会促进肠蠕动,进而延长消化吸收的时间,加重肠胃负担,导致食物难以被完全消化、吸收,还会降低其他营养素的利用率,可
Crude fiber foods are good, but the elderly, especially those with weaker gastrointestinal functions, eat enough coarse fiber foods daily. Often eat crude fiber foods for diabetes, hyperlipidemia and cardiovascular disease have a good preventive effect. However, the elderly, especially in the lower gastrointestinal function of the elderly, crude fiber food to eat too much, will promote peristalsis, and thus extend the digestion and absorption of time, increase gastrointestinal burden, leading to food is difficult to be completely digested and absorbed, will reduce The availability of other nutrients may be