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Last update: Oct 16, 2013; 10:00 P.M. LAH


e zui hua 鱷嘴花 (literally: crocodile mouth flower)  ( in English and Chinese 中英文)

by: Joe Hing kwok Chu    朱興國編 譯  

Pharmaceutical name:

英文藥 名﹕

Herba Clinacanthus

Botanical name:

拉丁生物學 名﹕

Clinacanthus nutans (Burm. f.) Lindau

Pron. in Japanese:



Pron. in Korean:


yōuduncho (優遁草)

Pron. in Cantonese::


ngok6 zeoi2 faa1 (鱷嘴花)

Other Names:


you dun cao 憂遁草,you dun cao 優遁草,niu xu hua 扭序花,Siam snake grass 暹羅蛇草,xiao jie gu 小接骨 ,qing jian 青箭《廣西藥植名錄》,rou ci cao 柔刺草,zhu zhi huang 竹枝黃,zhu huang 竹黃,piao huang 剽黃,zhu qing ye 竹葉青,zhu er wang 竹兒王,zhu jie wang 竹節王,zhu jie huang 竹節黃 《中草藥植物》, ba tan teng 拔彈藤,rou zhi jie gu cao 柔枝節骨草,雅配牙鈞(泰族名)。

Belalai gajah (Malaysia), ki tajam (Sunda), dandang gendis (Jawa), salet

phangphong (Thailand), mảnh cộng; lá cầm; běm bịp; xương khỉ (Vietnam)

Sabah snake grass (Singapore, Malaysia).

Common Name:


Drooping Clinacanthus, snake plant



Yunnan; Guangxi; Guangdong; Hainan provinces of China,  also in Thailand, Vietnam,  Malaysia, Indonesia. and other parts of southern Asia.

中國的雲南,廣西,廣 東,海南,等省,泰國,越南,馬來西亞,印尼與亞洲南部各地等。




sour, sweet, light bitter and acrid, bland, cool.


Channels meridians entered:



liver, kidney.


Medical functions:

藥 理﹕


  1. anti-inflammatory effect: inhibition of neutrophil responsiveness [2] [7]

  2. antioxidant [8]

  3. against antiproliferative affect on cultured cancer cells  [8]


  1. 抗氧化劑[8]

  2. 有抗培養的癌細胞增殖的作用[8]

  3. 抗炎作用:抑制中性粒 細胞 (過度的) 反應 [2] [7]

(more to be uploaded)

Actions & Indications:

主 治﹕

The whole plant is used to treat inflammatory conditions like hematoma, contusion, strains and sprains of injuries
 and rheumatism; also for dysuria, dysentery.
In Thailand the plant is famous for treatment of poisonous snake bites; also for insect bites, herpes simplex II [3], 
varicella-zoster virus [3] [6], allergic responses.
Now it is being used in treating jaundice type of hepatitis,  lymphoma, breast cancer, 
prostate cancer, uterus cancer, kidney failure, high uric acid, lung cancer.

全草用於治療發炎如 :血腫,挫傷,拉傷,扭傷,風濕病;並用於排尿痛苦,下痢。

在泰國此是出名治毒 蛇咬傷之草藥,並用來治生殖器皰疹[3],水痘 (帶狀疱疹病毒)[3][6],腹瀉。



Chemical ingredients:

化 學成份﹕

lupeol (羽扇豆醇). betulin (白樺脂醇); pentacyclic triterpenoids (五環三萜化合物); sulfur-containing glycosides(硫配糖体)[1]'

Compounds with structures related to chlorophyll A and chlorophyll B,  namely 132-hydroxy-(132-R)-phaeophytin a, 132-hydroxy-(132-R)-phaeophytin b, 132-hydroxy-(132-S)-phaeophytin a,  132-hydroxy-(132-S)-phaeophytin b, 132-hydroxy-(132-R)-chlorophyll  b,  132-hydroxy-(132-S)-chlorophyll  b. 

Also contain: stigmasteryl-3-O-B-D-glucopyranoside.

Daly Dosage:


Use the the whole dry herb of15~30 g for decoction and take orally. External application: use fresh herb. Smash and apply on affected area.

全草15~30 克, 水煎服。外用鮮全草搗爛外敷。

Samples of formulae:


Hepatitis with jaundice, or acites caused by hepatitis: dry herb 30 g. Add water and make into decoction and take orally. If fresh herb is being used, use about 120 g, add drinking water. Smash and make juice. Take orally.

Hepatitis with jaundice: xi shu guo (noni fruit) 30 g, sabah snake grass (you dun cao) 30 克,

fresh pandan leaves 60 克. Boil with water and take orally. (Source:, Section of Experienced Formulae)* See Possible Toxicity and Cautions:.

黃疸型肝炎,或肝炎引 起腹水:乾品30克,水煎服。如用鮮品,取120 克加開水搗爛取汁服用。

黃疸型肝炎:諾利果30gm,沙巴蛇草(憂遁草)30gm,香林投鮮葉60gm,水煎服。(葫蘆網.驗方組)* 看可能對肝臟有毒條

Modern Research:

現 代研究﹕

See bibliography.


Toxicity & Cautions:

毒 素與禁忌﹕

Caution on Noni fruit:
The Panel on Dietetic Products, Nutrition and Allergies of European Food Safety Authority concludes that ‘Morinda 
citrifolia (Noni) fruit puree and concentrate as novel food 
ingredients’ under the specified conditions are considered safe for the general population. 
However the Panel considers that the increasing number of case reports might indicate that some individuals have 
a particular sensitivity for hepatotoxic effects to noni fruit products. 
Noni fruit (and its products) are listed by the U.S. State Food and Drug Administration (FDA) as toxic items.
There are reports that:
(1) those with renal dysfunction had higher chance for renal damage.
(2) more cases of acute hepatitis have been reported after consumption of noni products.





[2] Journal of Ethnopharmacology Volume 116, Issue 2, 5 March 2008, Pages 234-244


[4] Bioorganic & Medicinal Chemistry Volume 17, Issue 5, 1 March 2009, Pages 1857-1860

[5] [6]J Med Assoc Thai. 1995 Nov;78(11):624-7.

[7] Journal of ethnopharmacology, 2008 Mar. 5, v. 116, no. 2

[8] 2013;2013:462751. doi: 10.1155/2013/462751. Epub 2013 Feb 27.



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