Perfoliate Knotweed Herb - China and Thailand medicinal plants professional database

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[English Name]	Perfoliate Knotweed Herb
[Chinese Name]	杠板归
[Pinying Name]	Gangbangui
[Latin Name]	Polygoni Perfoliati Herba
[Genera]	Polygonaceae
[Efficacy]	Damp-clearing drug
[Pictures]	Plant picture	Drug picture

[Alias]
[Source]
[Plant morphology]
[Distribution]
[Gathering and processing]
[Characteristics]
[Ecology]	It grows in barren ditch bank、river side and nearby the village.It prefers warm and apricus enviroment.The optimal soil is fertile sandy-layer soil.
[Chemical composition]
[Pharmacological activities]	1. Antibiosis: Water and acetic ether extract show antibiosis on bacillus dysenteriae, staphylococcus aureus, streptococcus, escherichia coli, aeruginosus bacillus, salmonella and so on[1-7]. 2. Antiviral: Water extract show antiviral activity on influenza a virus and parainfluenza Ⅰvirus[5]. 3.Other Effects: 3,3’-dimethyl Benzoaric Acid has anti-renal hypertension activity[8]. Water extract still has antimutagenic activity[9], anticancer[10], preventing cough[11]. Ethanol and n-butanol extract show anti-inflammatory activity[6].
[Clinical trial]
[Properties]
[Medical and other Uses]
[Dosage]
[Cautions]
[Traditional usage]
[Toxicological studies]
[Pharmaceutical preparations]
[References]	Pharmacologic Actions: [1] Li Chuluan, Lin Shu, Wang Yuhua. Fujian Journal of Traditional Chinese Medicine,1960,5(7)310. [2] Lingling Prefecture Hygienic and Antiepidemic Station. Hunan Journal of Traditional Chinese Medicine, 1974, 4(5):49. [3] The Compilation of Chinese herbal Medicine Drafting Group. The Compilation of Chinese herbal medicine(Vol 1, 1st edition). Beijing: People’s Medical Publishing House, 1976: 416. [4] Lin Yihong. Chinese Journal of Hospital Pharmacy, 1983,3(10):27. [5] Ma Zhenya, Duan Xuezhi, Liu Wenqin, et al. Shaanxi Medical Journal, 1979,8(12):42. [6] Huang Hefei, Zhang Changcheng, Yuan Ding, et al. Anhui Medical and Pharmaceutical Journal, 2008,12(7):595. [7] Fu Yaxiang, He Xiangrong, Li Junchao, et al. Progress in Veterinary Medicine, 2008,29(9):45. [8]Lin Yun Lian. C A,1984,100:117811q. [9] Yang Baoxue. International Journal of Traditional Chinese Medicine, 1991,13(1):1. [10] Zhou Jinhuang, Wang Yunmo. Pharmacology of Chinese Materia Medica. Shanghai: Shanghai Science & Technology Press, 1977:2313． [11] Gu Hanchong. Jiangsu Journal of Traditional Chinese Medicine, 1996,17(4):46.