杂粮不可取代细粮粗粮加工简单,保存了食物纤维素等许多细粮中没有的营养成分,含糖量也比细粮低,所以多吃粗粮对易患肥胖症、高血脂、糖尿病、便秘的老年人而言,是非常好的选择。但是以杂粮代替细粮对健康是不利的。老年人消化、代谢能力降低,长期进食过多的粗粮,会使老年人体内的高纤 Non-staple food coarse grains can not be replaced by simple processing, preservation of food fiber and many other fine grains in the absence of nutrients, sugar content is also lower than fine grains, so eat coarse grains susceptible to obesity, hyperlipidemia, diabetes and constipation in the elderly and Words, is a very good choice. But substituting fine grain for coarse grain is bad for health. The elderly digestion, reduced metabolic capacity, long-term consumption of too much coarse grains, the elderly will make the high fiber