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甘薯茎蔓的嫩尖含有丰富的蛋白质、胡萝卜素、维生素Ｂ1、维生素Ｂ2 、维生素Ｃ及钙、磷、铁等矿物质。甘薯嫩尖的营养价值及食用价值明显高于芹菜、菠菜等蔬菜 ,尤其是胡萝卜素的含量 ,比胡萝卜大约高出 3 8倍。一个成年人只要每天食用 10 0 ｇ甘薯茎尖 ,即可满足人体的矿物质
The tender tip of sweet potato stems and vines is rich in protein, carotene, vitamin B1, vitamin B2, vitamin C and calcium, phosphorus, iron and other minerals. Nutritional value and edible value of sweet potato tender tip is obviously higher than celery, spinach and other vegetables, especially the content of carotene, which is about 3.8 times higher than that of carrot. An adult can eat the human body’s minerals just by consuming 100 g sweet potato shoot tips daily