common yam rhizomewinged yan rhizome, rhizome of common yam

"Compendium of Materia Medica" of Dioscorea opposita calls Dioscorea opposita a a Chu fairy. If it is eaten frequently, it has the medicinal effects of strengthening spleen and stomach, relieving diarrhea, eliminating phlegm and saliva, moistening fur, lowering blood pressure, lowering blood sugar, resisting tumor and delaying aging. It is also a delicious vegetable cooked and fried. Matou Town, Huaiyin District is the origin of Dioscorea opposita, which has a long planting history. The town is located in the waste Yellow River beach, and the soil sand is suitable for planting Dioscorea opposita, mainly concentrated in Taishan, Xinhe, Yuba, Jiuxian and other villages. The Dioscorea opposita produced here has the characteristics of short rhizome, more root hairs, good quality, white and tender meat, high starch content, sweet cotton and delicious, and is a good seasonal tonic.
Reprinted with attribution： https://cnlocality.com/(Chinese Specialty Products)