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红薯鲜叶营养丰富,尤其是B族维生素以及钙、铁的含量相当于菠菜的2倍有余,而对人体不利的草酸含量仅为菠菜的1/2。
Fresh sweet potato leaves are rich in nutrients, especially the content of B vitamins and calcium and iron is more than two times that of spinach, and the content of oxalic acid unfavorable to the human body is only 1/2 of that of spinach.