俗话说:“春吃花、夏吃叶、秋吃果、冬吃根。”根菜是指以肉质根为食用部分的蔬菜,包括红薯、萝卜、山药、土豆等。与其他类蔬菜相比,根菜的农药残留较低,价廉物美,并且营养价值丰富。冬天,是根菜大量上市的季节,更该多吃这些“大块头”。红薯:补虚乏,益气力,健脾胃,强肾阴。红薯中含有维生素A、B、C、E以及钾、铁、铜、硒、钙等10余种微量元素,营养价值很高。冬天 As the saying goes: “spring eating flowers, summer eating leaves, autumn eat fruit, winter eat roots.” Root vegetables are fleshy roots for the edible part of the vegetables, including sweet potatoes, radish, yam, potatoes and so on. Compared with other types of vegetables, root vegetables pesticide residues lower, cheap, and rich in nutritional value. Winter, is a large number of root vegetables season, should eat more “big head ”. Sweet potato: lack of tonic, Qi, spleen and stomach, strong kidney yin. Sweet potato contains vitamin A, B, C, E and potassium, iron, copper, selenium, calcium and other trace elements more than 10 kinds of high nutritional value. winter