Chinese yam refers to Chinese yam, which is also a kind of yam, but it is different from ordinary yam.It mainly refers to the area of Jiangsu Yam, but it is also a health medicine, can be used as medicine, the effect is better.It likes to grow on hillsides, valleys, forests, or beside streams, shrubs, suitable for growth in well-drained, loose and fertile loam, unable to withstand the wet environment.Its tuber is long cylindrical, about 1 meter in length, often with purplish red on the stem, and the leaves are relatively large.
1. Origin: Huaishan refers to the place of origin in Jiangsu, Anhui and other places; The rest of the country produces common yams.The different origins of the two determine that the two are different, and there are differences in essence.
2, texture: Dioscorea opposita texture is more dense, more hard, but also relatively heavy; Common yam is not so dense in texture, but also relatively light and easier to break.
3. Section: After the Rhizoma Dioscoreae is cut, the part of the incision can maintain milky white for a long time and will not easily turn yellow; After the yam is cut, the incision will turn yellow for a period of time.