红薯因含有粗纤维素,故食后在肠内能吸收大量水分,增加粪便体积,刺激肠蠕动,是治疗便秘的最佳食品。红薯还含有一种叫“脱氢异雄固酮”的活性物质。动物实验证明,这种物质对乳腺癌、肠癌有特殊疗效。此外,日本专家发现,红薯中含有大量粘液蛋白等多糖物质,可提高人体免疫力,促进 Sweet potato contains crude cellulose, so after eating in the intestine to absorb large amounts of water, increase the volume of manure, stimulate peristalsis, is the best food for the treatment of constipation. Sweet potatoes also contain an active substance called “dehydroisosorone”. Animal experiments show that this substance has a special effect on breast cancer, colon cancer. In addition, Japanese experts found that sweet potato contains a lot of mucins and other polysaccharides substances, can enhance human immunity and promote