Rhizoma Anemarrhenae


Rhizome of Anemarrhena asphodeloides Bunge, family Liliaceae.

Rhizome long-striped, 3-15 cm in length, 0.8-1.5 cm in diameter; the top bearing residual yellowish leaf scars and stem scars; with a longitudinal groove and densely arranged nodes, beneath the nodes densely growing yellow-brown residual leaf bases. The end with fibrous roots or its scars; hard in texture; section yellow-white. The surface of the rhizome without bark appearing yellow-white, with twisted longitudinal grooves and fibrous root scars. Bitter and sweet in taste, cold in nature, and attributive to lung, stomach and kidney channels.

Clear away heat and purge fire, nourish yin and moisturize dryness: For qifen sthenic heat syndrome with high fever and excessive thirst, usually used together with Gypsum Fibrosum; for cough of lung-heat type or dry cough of yin-deficiency type, usually used together with Bulbus Fritiliariae Thunbergii and Fructus Trichosanthis; for yin-deficiency and fire hyperactivity with hectic fever and night sweat, usually used together with Cortex Phellodendri; for diabetes, usually used together with Rhizoma Dioscoreae and Fructus Schisandiwe. Recently used for hyperthyroidism and hypertension with severe heat-syndrome or yin-deficiency syndrome.

Pharmacological Action
1. Its extract can lower B. coli induced fever in rabbits.
2. Bacteriostatic and fungistatic.
3. Its infusion can lower the blood sugar level in normal rabbits, particularly in rabbits suffering from alloxan diabetes, but its alcoholic extract raises the blood sugar level in normal rabbit.
4. Retarding the metabolism of corticosteroid in liver, but protecting the adrenal cortex from the inhibition of exogenous corticosteroid.

Administration Decoction: 6-12g.


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Mr. Wang Tao

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