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紫薯又叫黑薯,肉呈紫色至深紫色,是从日本引进的甘薯新品种,近年来在国内、国外十分走俏,发展前景非常广阔。一、营养价值紫薯营养丰富,口感细腻香甜,含有20%左右的蛋白质,18种氨基酸,易被人体消化和吸收,其中包括维生素C、B、A等8种维生素和磷、铁等10多种矿物元素,内含有大量药用价值高的花青素。花青素对100多种疾病有预防和治疗作用,具有特殊的保健功能。紫薯茎尖嫩叶中富含维生素、蛋白质、微量元素、可食性纤维和可溶性无氧化物质,经常食用则具有减肥、健美和健身防癌等作用。因此,紫薯具有良好的保健功能,是当前无公害、绿色、有机食
Purple potato, also known as black potato, meat purple to dark purple, is the introduction of new varieties of sweet potato from Japan, in recent years at home and abroad are very popular, the development prospects are very broad. First, the nutritional value Purple sweet potato nutrient-rich, delicate taste sweet, with about 20% protein, 18 kinds of amino acids, easily digested and absorbed by the body, including vitamin C, B, A and other eight kinds of vitamins and phosphorus, Mineral elements, containing a large number of high medicinal value of anthocyanins. Anthocyanins have preventive and therapeutic effects on over 100 diseases and have special health care functions. Purple sweet potato shoots tender leaves are rich in vitamins, protein, trace elements, edible fiber and soluble non-oxidizing substances, regular consumption is to lose weight, bodybuilding and fitness anti-cancer effect. Therefore, purple sweet potato has good health care function, is the current pollution-free, green, organic food