不少人认为,人到老年应以素食为主,甚至不敢品尝营养价值高的荤味补益佳肴.其实,老人更需要高质量的蛋白质、丰富的维生素体内胆固醇的排泄外,还有抑制癌细胞生长和延长患癌动物寿命的作用.因此,老人常食红薯食品无疑是颇有益处的. Many people think that people should be mainly vegetarian to the elderly, and even can not even taste the high nutritional value of meat and food .In fact, the elderly need more high-quality protein, rich in vitamin cholesterol excretion, as well as inhibit cancer Cell growth and extend the life of cancer-bearing animals Therefore, the elderly often eat sweet potato food is undoubtedly quite beneficial.