feng wei cao 鳳尾草
by: Joe Hing kwok Chu 朱興國編 譯 (in English and Chinese 中英文)
|Herba Pteris Multifidae|
Radix Pteris Multifidae
|Pteris Multifida Poir|
Pron. in Japanese:
Pron. in Korean:
Pron. in Cantonese::
|fung6 mei5 cou2|
|ji jiao cao (chicken leg grass) 雞腳草，jin ji wei (golden chicken tail) 金雞尾，jing kou bian cao (well side grass) 井口邊草，jing bian feng wei (phoenix tail of well side) 井邊鳳尾，jing lan cao (fence of well grass) 井欄 草，feng wei jue (phoenix tail fern) 鳳尾蕨，wu zhi cao (five finger grass) 五指草，tie jiao ji (iron legged chicken) 鐵脚雞，bai jiao ji (hundred legged chichen) 百脚雞。|
|spider brake Chinese brake fern|
|eastern part, middle southern part, western southern part of China, and in Shanxi, Shaanxi provinces. Being found in areas 800 meters below sea level, usually around old shady walls and masonry cracks, around cemeteries, dumps, and towns.|
|bland, slightly bitter, cold.|
Channels (meridians) entered:
|large intestine, heart, liver, stomach, kidney.|
- antibiotics effects: with decoction of 25% concentration, there is no effect on Freund Shigella and SHU Shigella (in vitro). There was inhibitory effect on Staphylococcus aureus, Escherichia coli, Shigella, Mycobacterium tuberculosis inhibit. The 50% decoction of trenching method and by plate disk diffusion method shows inhibitory effect on Staphylococcus aureus, Shigella flexneri, Salmonella typhi.
- anti-tumors: alcohol extract of the whole herb or roots possesses inhibitory effect on S180 fibroids of mice. Its inhibitory effects are 3%-33% and 33%-40%
- anti-hyperlipidemic effect: caused reduction in cholesterol and triglyceride. It also could increase the excretion of lipids and metabolic by-products via the intestinal tract of lab rats..
Actions & Indications:
|For getting rid of infection, strengthening and loosening muscles, cooling blood and arresting bleeding, reducing swelling and stopping pain.|
Being used in treatment of: dysentery, diarrhea, vomiting blood, hepatitis, leukorrhea, tumors in intestine, lung and bladder, cancers of gynecology, injuries from impact. External application: swelling in the breasts, different types of sores.
Hepatitis with jaundice, toncillitis, spermatorrhea, enterobiasis. （source: Commonly Used Herb of Shanghai)
|portion above ground contains:||地上部含：|
|pterosin C-3-O-β-D-glucoside||蕨素 C-3-O-葡萄糖甙|
|creticoside A, B||大葉鳳尾甙（A，B|
|For decoction: 15 to 30 g. For external application: use appropriate amount.|
Samples of formulae:
|"A new C(14) pterosin sesquiterpenoid, named (2R)-pterosin P (1), and a new natural product, named dehydropterosin B (3), were isolated from the aerial parts of Pteris multifida Poir., along with nine known compounds ( 2, 4-11). By chiral HPLC, compounds 1 and 2 were isolated as a pair of enantiomeric pterosin sesquiterpenoids. The planar structure of 1 was elucidated on the basis of NMR spectroscopy analysis, and the absolute configuration was established by the CD spectrum. In addition, the absolute structure of 1 was further confirmed by single-crystal X-ray diffraction (CuK α). Compounds 3, 5, and 6 showed potent cytotoxicity against PANC-1 (human pancreatic cancer) and NCI-H446 (human small-cell lung cancer) cell lines, with IC(50) values in the range of 4.27-14.63 ÁM".|
Toxicity & Cautions:
|Do not use in cases of chronic diarrhea and in old people with weak body.|
Traditional oral administration, when properly utilized. can avoid of any toxic risk. 
《参考：中華本草 》 《Reference: Zhong Hua Ben Cao》
 Pharm Biol. 2010 Feb;48(2):221-6.
 Planta Med. 2010 Nov;76(16):1896-900. Epub 2010 May 19.
 Food and Chemical Toxicology
Volume 45, Issue 9, September 2007, Pages 1757-1763
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