菠菜的食用部分是鲜嫩的叶片和叶柄,含有丰富的维生素A、B、C、D和铁、磷、钙等矿物质。它是耐寒性强的蔬菜,能忍耐-9℃低温,生长迅速,经排开播种和贮藏在北京地区一年之中有9个月可以吃到菠菜,足见菠菜在周年供应中的作用。 在北方地区,冬季供应的菠菜多用耐寒性强的圆叶如红 Spinach edible part of the fresh leaves and petioles, rich in vitamins A, B, C, D and iron, phosphorus, calcium and other minerals. It is a hardy cold vegetables, able to endure -9 ℃ low temperature, rapid growth, sowing and storage by row in Beijing for a period of nine months to eat spinach, which shows the role of spinach in the annual supply. In the northern region, spinach is mostly supplied in winter with strong hardy leaves such as red