论文部分内容阅读
山药按起源地分亚洲群、非洲群、美洲群。亚洲群原产亚洲亚热带地区,我国南方是山药重要的原产地和驯化中心。山药在我国已有2500年以上的历史,栽培经验十分丰富。山药的营养价值很高,不仅含有大量的蛋白质、脂肪和淀粉,以及人体必需的微量元素,还含有皂甙、粘液质、尿囊素、胆碱、精氨酸等物质,有十分重要的药用价值。山药性味甘平,入肺、脾、胃经,有健脾、补肺、固肾、益精的功能。对老年人便频、糖尿病、体虚、疲倦无力、食欲不振、虚喘痰多、遗精白浊、心慌多汗等症有一定疗效。山药耐贮运,宜加工,一直是民间高档蔬菜之一。山药的栽培管理较容易,但收获十分费工,目前
Yam according to origin Asia, Africa, the Americas group. Asian group origin Asian subtropics, southern China is an important origin and domestication center of yam. Yam has more than 2500 years of history in our country, and cultivation experience is very rich. Yam high nutritional value, not only contains a lot of protein, fat and starch, and the human body essential trace elements, also contains saponin, mucus, allantoin, choline, arginine and other substances, there is a very important medicinal value. Yam sweet nature, into the lungs, spleen, stomach, spleen, lungs, Gushen, Yijing function. The frequency of elderly people, diabetes, physical weakness, fatigue, loss of appetite, asthenia phlegm, spermatorrhea, palpitation Hyperhidrosis embolism have a certain effect. Yam resistant storage and transportation, should be processed, has been one of the high-grade folk vegetables. Yam cultivation and management easier, but the harvest is very laborious, at present