Dioscorea

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Dioscorea

 

a genus of plants, usually lianas, of the family Dioscoreaceae. They are dioecious perennial herbs, less often subshrubs, with tubers or rhizomes. The leaves are usually alternate and simple. The flowers are small, diclinous, and gathered into racemes or spikes. The fruit is a pod. There are more than 600 species in the tropics and sub-tropics, rarely in the temperate zones. In the USSR there are two species—D. caucasica in western Transcaucasia and D. polystachya in the southern parts of the Far East. Their rhizomes contain saponins; the preparation diosponin has been suggested for treating atherosclerosis The species D. batatas, D. alata, and D. saliva, among others, are cultivated for their edible tubers and are better known by the name yams.

References in periodicals archive ?
Response surface methodology to extraction of dioscoreae polysaccharides and the effects on rat's bone quality.
Our study provides evidence that aqueous extract of Rhizoma Dioscoreae will have the potential to be used for the treatment of postmenopausal osteoporosis.
The occurrence of liver injury in response to Scutellariae Radix was 0.47%, that of Ephedrae Herba was 1.15%, that of Dioscoreae Rhizoma was 0.17%, and that of Pinelliae Rhizoma was 0.15%.
Carassius auratus complex formula is a combination prescription of four ingredients including Carassius auratus, Rhizoma dioscoreae, Lycium chinense and Rehmannia glutinosa Libosch.
At present, SF is widely applied in TCM processing factories in China, such as during the post-harvest processing of Dioscoreae rhizoma (shan yao), Angelicae dahuricae radix (bai zhi), and Chrysanthemiflos (ju hua).
If there was spleen qi vacuity, 15 grams each of Shan Yao (Radix Dioscoreae) and Huang ling (Rhizoma Polygonati) and five grams of Chen Pi (Pericarpium Citri Reticulatae) were added.