日本黑薯是我国１９９８年通过有关部门从日本引进的新品种，其口感细腻，食味极佳、营养成分高，并含有抗癌物质硒，已经证明具有抗癌、降压补钙等显著功效，是开发保健医疗食品的又一新原料，也是大宾馆饭店的上等食品，在提取植物色素方面也是不可多得的好原料。日本黑薯叶 Japan’s black potato is a new variety imported from Japan by the relevant departments in 1998. Its delicate taste, excellent taste, high nutritional content and containing selenium, an anti-cancer substance, have proved to have significant effects such as anti-cancer and antihypertensive effect, Is to develop health care food another new raw material, but also the first-class hotel restaurant food, in the extraction of plant pigments is also a rare good raw materials. Japanese black potato leaves