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Bian Xu - Polygonum aviculare
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Professional Data |
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 Pin Yin
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Bian Xu
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| Latin
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Herba Polygoni avicularis
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| Introduction |
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Herba Polygoni avicularis is the dried aerial part of Polygonum aviculare L. (Fam. Polygonaceae). The drug is collected in summer when the leaves are growing luxuriantly, removed from roots and foreign matter, and dried in the sun.
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| Western medical |
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The herb is used to treat nephropyelits, bacillary dysentery and toothache, etc..
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| Eastern medical |
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- Pattern: Induces diuresis, treats strangury, kills worm and relieves itching.
- Properties: Bitter, neutral.
- Channels entered: Stomach and Bladder.
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| Chemical constituents |
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The herb contains avicularin, quercitrin, d-catechol, gallic acid, caffeic acid, oxalic acid, silicic acid, cholorogenic acid, p-coumaric acid, glucose, and Vit C, etc..
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| Pharmacological actions |
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| Diuretic effect |
bian xu had diuretic effect. Gastrogavage of 20g/kg water decoction to rats could increase the urine volume and excretion of natrium and kalium. |
| Anti-bacterial effect |
This herb had inhibitory effect on staphylococcus, bacillus pyocyaneus, dermomycosis, Shigella flexneri and Shigella sonnei. |
| Lowering blood pressure |
Intravenous injection of water and ethanol extract of bian xu could lower blood pressure in cats, rabbits and dogs. |
| Others |
Water and ethanol extract of bian xu could coagulate blood and increase uterine tensility. Avicularin had cholagogue effect on rats and dogs. It's also laxative and could dispel bellyworm.
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| Clinical Studies |
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| Nephropyelits |
Ba Zheng San combining jin yin hua, lian qiao, chai hu, huang qin, huang lian and huang bo, etc. was used to treat 67 cases of female nephropyelits. Results: 54 cases were cured and 5 markedly effective. |
| Bacillary dysentery |
Bian Xu Syrup, 50ml (containing raw drug 1g/ml), 2~3 times daily. 180 cases of bacillary dysentery were treated, and 104 cured, 4 improved. |
| Toothache |
bian xu 50~100g, water decoction, being taken in two times. 81 cases of toothache were treated, and the pain disappeared 2~3 days after the treatment in 80 cases. |
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| References |
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Except those noted, all references come from Weng Weiliang, et al., Clinical Chinese materia medica, Henan Science & Technology Press, 1998 |
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