Herba Dendrobii


The stem of Dendrobium nobile Lindi., D. chrysanthum Wall. ex LindL, D. loddigesii Rolfe and Ephemerantha fimbriata (Bl.) Hunt et Summerh., family Orchidaceae.

D. nobile: Stem flat-terete unequal in length, 0.4-0.6 cm in diameter. Surface golden yellow, smooth or with longitudinally striae; nodes visible, sometimes with remnants of leaf sheathes; intemodes flat, thick at the upper and thin at the lower part. D. chrysanthum: Stem terete, 0.3-0.5 cm in diameter; internodes even and round. D. loddigesii: The diameter of stem smaller then that of the above two, usually prepared as spiral rings. E. fimbriata: Stem golden yellow and smooth, growing transversely and branching; nodes dense and visible, with fibrous roots. Stem short, with cambiform pseudo bulb on which a leaf grows. All are sweet and bland in taste, slightly cold in nature, and attributive to lung, stomach and kidney channels.

Nourish yin, clear away heat, benefit stomach and promote the production of body fluid: For febrile diseases with consumption of yin manifested as drv throat, thirst, asthenic-heat, and vexation; insufficiency of stomach-yin and flaming-up of asthenic fire manifested as epigastric pain, thirst, retching, red tongue with little coating or uncoated and smooth tongue.

Pharmacological Action
1. Dendrobine, one of its components, exerts the effects of raising the level of blood sugar, hypotensive, antipyretic and analgesic.
2. Its infusion is cardio-inhibitory.
3. Low dosage causes excitation while high dosage causes inhibition of the intestine of rabbits in vitro.

Administration Decoction: 9-20g.


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Mr. Wang Tao

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