山药原名薯蓣,《神农本草经》列为上品。有补脾养胃,生津益肺,补肾涩精之功。中医常用于脾虚食少,久泻不止,肺虚喘咳,肾虚遗精,带下等症。近年来,市场上不断出现混淆品及伪品。中国药典1985年版收载的山药为薯蓣科植物薯蓣Dioscorea opposita Thunb.的干燥根茎。自去年以来,我们检验了数十批 Yam was originally called Yam, and “Shen Nong’s Herbal Classic” was listed as top grade. There is nourishing the spleen, nourishing the stomach, promoting lung function, and strengthening the kidney. Chinese medicine is often used to eat less spleen, diarrhea more than ever, lung deficiency cough, kidney nocturnal emission, with embolism. In recent years, confusion and counterfeit goods have continued to appear in the market. The yam collected in the 1985 edition of the Chinese Pharmacopoeia is the dried rhizome of Dioscorea opposita Thunb. Since last year, we have inspected dozens of batches