红薯是一种非常好的营养食品,具有减肥、抗癌等功效,还可以有效地防止骨钙流失。另外,红薯还含有大量的钾和镁,这两种物质可以维持体内的离子平衡,减缓因年龄增长而造成的钙质流失。除此之外,红薯的热量只有同等重量大米的1/3,而且几乎不含脂肪和胆固醇,是很好的低脂肪、低热能 Sweet potato is a very good nutritional food, with weight loss, cancer and other effects, but also can effectively prevent the loss of bone calcium. In addition, sweet potato also contains large amounts of potassium and magnesium, these two substances can maintain the body’s ion balance, slow down due to age caused by loss of calcium. In addition, the heat of sweet potato is only 1/3 of the weight of rice, and contains almost no fat and cholesterol, which is good for low fat and low calorie