Rhizoma Dioscoreae


Rhizome of Dioscorea bulbifera L., family Dioscoteaceae

Rhizome ovate, 4-5 cm in diameter. Surface dark, with fibrous roots or its scars. Prepared as slices, yellow-brown, smooth or granular, showing numerous vascular bundle spots. Bitter in taste, cold in nature, and attributive to lung and liver channels.

Remove phlegm, disperse the lumps, detoxify and relieve swelling: For endemic goiter, hyperthyroidism, whooping cough, cough of lung-heat type, thyroid adenoma, thyroid cancer, tumour of digestive tract, lung and mammary cancer, etc.

Pharmacological Action
1. Inhibiting the growth of leukemia615, sarcoma180 and cervical carcinoma14 in mice.
2. Relieving iodine deficiency and goiter in experimental animals.

Administration Decoction:
6-12g. 10-20% tincture: 15-25 ml tid.

This herb may cause damage to the liver when taken for a long time or in a large dose, so it is contraindicated for liver disease.


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Mr. Wang Tao

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