日本国家癌症研究中心公布的20种抗癌蔬菜“排行榜”为:红薯、芦笋、花椰菜、卷心菜、西兰花、芹菜、甜椒、胡萝卜、金花菜、苋菜、荠菜、苤蓝、芥菜、西红柿、大葱、大蒜、青瓜、大白菜等,其中红薯名列榜首。而且日本医生通过对26万人的饮食调查发现,熟红薯的抑癌率高于生红薯。我国医学工作者曾对广西西部的百岁老人之乡进行调查后发现,此地的长寿老人有一个共同的特点,就是习惯每日食红薯,甚至将其作为 Japan’s National Cancer Research Center announced that the 20 kinds of anti-cancer vegetables “list”: sweet potato, asparagus, cauliflower, cabbage, broccoli, celery, bell pepper, carrot, cauliflower, amaranth, shepherd’s purse, Tomatoes, green onions, garlic, cucumber, cabbage, etc., of which sweet potato topped the list. And Japanese doctors through 260,000 people diet survey found that cooked sweet potato cancer suppression rate is higher than raw sweet potato. A survey conducted by medical workers in our country on the hometown of centenarians in western Guangxi found that there is a common feature among longevity elders that they are accustomed to eating sweet potatoes daily and even using them as