颐养天年,延年益寿是众望所归,那么,老年人应注意哪些营养问题呢? 第一,摄取适当的热能,维持理想体重。 老年人热能摄入过多,很易发胖,肥胖不仅是成年人高血压、心血管疾病和糖尿病的诱因,而且病死率也高。因此,适当限制热能的摄入,可以延长寿命,而能量是否充足,衡量的指标是体重,维持体重在标准体重上下10％较为合适。 第二,保证优质蛋白质,常吃蛋、奶、豆制品。 优质蛋白质主要包括动物性食品和豆制品。动物性食品应增加鱼类的摄入量,鸡蛋是最理想的蛋白质来源,应每日一个,牛奶中蛋白质的利用率高,每日饮用250毫升,高胆固醇患者可用脱 Home sweetheart, longevity is welcomed, then, the elderly should pay attention to what nutritional problems? First, intake of appropriate heat to maintain the ideal weight. The elderly overheating, it is easy to gain weight, obesity is not only an adult high blood pressure, cardiovascular disease and diabetes incentives, but also high mortality. Therefore, proper restriction of heat energy intake, can extend the life expectancy, and the energy is sufficient, the measure of weight is the index, to maintain body weight in the standard weight of 10% is more appropriate. Second, to ensure high-quality protein, eat eggs, milk, soy products. High quality protein mainly include animal foods and soy products. Animal food should increase fish intake, eggs are the best source of protein, should be a daily, high protein utilization in milk, daily consumption of 250 ml, high cholesterol can be used off