“紫叶１号”菜用型红薯是闽西山村的优良农家品种，主要以嫩茎叶供作蔬菜食用，其营养丰富，含粗蛋白、粗纤维、维生素A、B、C、碳水化合物和钙、磷、钾、铁等矿物质，食味甜脆适口，优于空心菜，有特殊香味，而且具有生津润燥，消痛解毒，防癌、抗癌、降低血压之功效，是一种 “Ziye No.1” vegetable-type sweet potato is an excellent farmhouse variety in mountain village of Minxi, and is mainly used for vegetable consumption by tender stems and leaves. Its nutrition is rich, including crude protein, crude fiber, vitamin A, B, C, carbohydrate and Calcium, phosphorus, potassium, iron and other minerals, taste sweet and crisp palatability, better than spinach, with special fragrance, but also with fluid Jinmo, eliminate pain detoxification, anti-cancer, cancer, lower blood pressure effect is a