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KMID : 1147720090020040280
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Journal of Acupuncture and Meridian Studies
2009 Volume.2 No. 4 p.280 ~ p.287
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Anti-inflammatory and Analgesic Effects of Elephantopus tomentosus Ethanolic Extract
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Yam Mun Fei
Ang Lee Fung
Ameer Omar Ziad
Salman Ibrahim Muhammad
Aziz Hesham Abdul
Asmawi Mohd. Zaini
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Abstract
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Elephantopus tomentosus is widely used in Asia, especially in Malaysia, for the treatment of pain and inflammation. In the present study, the analgesic and anti-inflammatory effects of a 95% ethanol extract of E. tomentosus were investigated in different experimental models. In the anti-inflammation study, 1000 mg/kg of extract significantly reduced carrageenan-induced hind paw edema (p < 0.05) and inhibited abdominal permeability compared with control (p < 0.01). The analgesic activity was assayed in several experimental models in mice: (1) hot plate, (2) tail flick, (3) writhing test; and rats: carrageenan-induced hyperalgesia pain threshold test. However, at the doses tested, no significant activity was found in the hot plate test and the tail flick test. E. tomentosus ethanol extract at 1000 mg/kg significantly (p < 0.05) increased hyperalgesia pain threshold and inhibited writhing activity. The results suggest that E. tomentosus ethanol extract at 1000 mg/kg dose is effective in anti-inflammatory and non-steroidal anti-inflammatory drug type anti-nociception activities.
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KEYWORD
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analgesic effect, anti-inflammatory, Elephantopus tomentosus
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