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long gu 龍骨

 

Edited by: Joe Hing kwok Chu

Pharmaceutical name:

英文藥名﹕

Os Draconis

Latin name:

學名﹕

Fossilia Ossis Mastodi

Pron. in Japanese:

日語發音﹕

ryukotsu

Pron. in Korean:

韓語發音﹕

 

Pron. in Cantonese:

粵音﹕

lung4 gwat1

Other Names:

別名﹕

long mu 龍牡

Common Name:

英文名﹕

fossil bones

Distribution:

產地﹕

mainly in Hebei, Shanxi, Shaanxi, Shandong, Inner Mongolia, Hubei provinces of China.

主產河南,河北,山西,陝 西,山東,内蒙古, 湖北等。

Properties

(characteristics)﹕

性味﹕

sweat, acrid, neutral.

味甘,澀,性平。
 

Channels (meridians) entered:

 

歸經﹕

heart, liver, large intestine, kidney.

心,肝, 大腸,腎。

Medical functions:

藥理﹕

 

Medical functions:

  1. calming

  2. arrest bleeding

  3. lessens the excitability of skeletal muscles

藥理﹕

  1. 鎮靜

  2. 止血,能促進血液凝固

  3. 減輕骨骼肌的興奮性。

Actions & Indications:

主治﹕

For treatment of unstable mood, palpitation, excessive dreams, irritability, seizures, dizziness, insomnia, forgetfulness, spermatorrhea, premature ejaculation, diarrhea, excessive bleeding not during menses, cold sweating, chronic ulcerated boils, wet eczema.

External uses: baked ground long gu can be used for sprinkling or mix with water and to be pasted over affected areas. Raw untreated long gu is better for calming effect while the baked long gu is better for healing ulcers.

功能:有鎮驚安神,平降肝陽,斂汗固精,收濕生肌斂瘡的功能。用於神志不安 ,心悸怔忡,多夢,驚癇,煩躁不安,頭目眩暈,失眠健忘,遺精早泄,泄瀉,崩漏帶下,虛汗,瘡瘍潰破久不癒合,濕疹流水等。

外用:火段製研末撒或調敷。生品長於安神平肝,火段製長於收澀。
  

Chemical ingredients:

化學成份﹕

 

Dosage:

用量﹕

for decoction: 9 to 15 g.

煎湯:内服9-15克

Samples of formulae

:處方舉例﹕

 

Modern Research:

現代研究﹕

Department of Pharmacology, School of Medicine, Kyungpook National University, Taegu, Republic of Korea. [email protected]

Fossilia Mastodi OSSIS, which is a skeletal fossil of a Mastodon, an ancient mammal, has been found to have anxiolytic, sedative and anticonvulsant activities in Oriental medicine. In this study, in vivo characterization of the sedative activities of Fossilia Mastodi OSSIS was performed in order to obtain basic information for the development of a putative natural sedative. The 80% methanol extract of Fossilia Mastodi OSSIS given per os at a dose of 3 g/kg in mice showed anxiolysis, potentiation of pentobarbital sleeping time, reduced locomotor activity, and anticonvulsive activity. Fossilia elicited GABA(A) receptor-mediated anxiolysis. The data obtained suggest that the 80% methanol extract of Fossilia Mastodi OSSIS contains some biologically active principles with sedative activity.

PMID: 16819180 [PubMed - indexed for MEDLINE]

Source: http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=Retrieve&db=PubMed&dopt=AbstractPlus&list_uids=16819180

Toxicity & Cautions:

毒素與禁忌﹕

Not to use in cases of damp-heat .

濕熱,實邪 者不宜服用。

 

[1] a study

A manuscript... writing, translating and proofreading              in progress

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Last update: Nov 16,  2007 9:20  p.m. LAH