紫背天葵别名红背菜、观音菜、血皮菜、天青地红、双色三七草和地黄菜等,属菊科,为多年生宿根草本植物。1.营养与食用紫背天葵以嫩梢和嫩叶作蔬菜,营养丰富,每100克可食部分含蛋白质1.98克,还含有铜、锰等微量元素和维生素 B_1、B_2等,其中铁含量是大白菜、萝卜和瓜类蔬菜含量的 Purple back Solanum alias red back vegetables, Guanyin dishes, blood vegetables, azure red, two-color rhizoma of notoginseng grass and yellow, as Compositae, perennial herb for perennial. 1. Nutrition and consumption Purple sunflower to young shoots and leaves for vegetables, nutrient-rich, containing 100 grams of edible portion of protein 1.98 grams, also contains copper, manganese and other trace elements and vitamin B_1, B_2, etc., of which iron content Chinese cabbage, radish and melon vegetables