山药为细长的圆柱状,别看它土褐色的外皮上满是杂须,肉质却洁白细嫩、柔滑鲜脆。山药因其营养丰富,自古以来就被视为物美价廉的补虚佳品,它含有丰富的蛋白质、糖类、维生素、脂肪、胆碱、淀粉酶等成分,还含有碘、钙、铁、磷等人体不可缺少的无机盐和微量元素。山药即是食用的家蔬,又是常用的药材,还可以制成糖葫芦之类的小吃。 Yam slender cylindrical, do not look it is full of earthy brown coat, but the meat is white and delicate, smooth and crisp. Because of its nutrient-rich yam, since ancient times has been regarded as affordable tonic Jiapin, which is rich in protein, carbohydrates, vitamins, fat, choline, amylase and other ingredients, but also contains iodine, calcium, iron, phosphorus Other human body essential inorganic salts and trace elements. Yam is edible vegetables, but also commonly used herbs, but also can be made of candied fruit like snacks.