紫菜头别名红菜头、根甜菜,为藜科甜菜属2年生草本植物,原产于地中海沿岸,是欧美等国重要蔬菜。紫菜头食用部位是肉质根,根质柔嫩,纤维少,含糖量高,并含少量无机盐,可生食、熟食或加工,也可作菜肴装饰品,有治疗吐泻与驱除腹内寄生虫的功效,是一种食疗保健蔬菜。目前在我国栽培面积很小,只在部分大中城市有少量栽培,所以,应进一步加以推广。一、植物学性状紫菜头是直根系,下胚轴与主根上部膨大,形成肉质根,其内含 Seaweed algae headschild, root beet, for the Chenopodiaceae beet is a biennial herb, native to the Mediterranean coast, is an important vegetable in Europe and the United States. Laver head edible parts of fleshy roots, soft roots, less fiber, high sugar content, and contains a small amount of inorganic salts, can be eaten raw, cooked or processed, but also for food decorations, there is treatment of vomiting and diarrhea and parasitectomy Efficacy, is a diet health care vegetables. At present, the cultivated area in our country is very small, only a small amount of cultivated in some large and medium-sized cities, therefore, should be further promoted. First, the botanical properties of the seaweed is straight roots, hypocotyls and the main root of the upper part of the expansion, the formation of fleshy roots, which contains