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白薯不含脂肪,而纤维质多并且富含维他命,研究表明它可以降低人们罹患缩短寿命的疾病的风险。为保持健康,我们必须吃更多的水果和蔬菜,而白薯是β-胡萝卜素和其他类胡萝卜素的极好来源。根据一项对大约9万名护士饮食的研究表明,每天吃大约一杯富含类胡萝卜素(身体会将其转化为维他命 A)的水果和蔬菜,可以减去一半中风的危险,并且减少22%的患心脏疾病的危险。其他研究表明β-胡萝卜素可防止患乳腺癌、肺癌和胃癌。β-胡萝卜素是类胡萝卜素家族中最著名的成员。
Sweet potatoes contain no fat, but they are rich in fiber and rich in vitamins. Studies have shown that it can reduce people’s risk of life-threatening diseases. To maintain our health, we must eat more fruits and vegetables, while sweet potatoes are an excellent source of beta-carotene and other carotenoids. According to a study of about 90,000 nurses’ diets, eating about a cup of fruit and vegetables rich in carotenoids each day (the body will convert them to vitamin A) can reduce the risk of stroke by half and reduce the risk by 22%. Suffering from heart disease. Other studies have shown that β-carotene prevents breast, lung, and stomach cancers. Beta-carotene is the most famous member of the carotenoid family.