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© Georg Thieme Verlag Stuttgart · New York
Anti-Inflammatory and Antipyretic Activities of β-Sitosterol
29 April 2008 (online)
The anti-inflammatory and antipyretic activities of β-sitosterol, isolated from the plant Cyperus rotundus has been studied, employing carrageenin induced oedema, cotton pellet implantation and Brewer's yeast induced pyrexia in rats. β-Sitosterol was found to possess potent anti-inflammatory activity against both the tests, similar to hydrocortisone and oxyphenbutazone when administered intraperitoneally. Moreover, it was also orally effective against carrageenin induced oedema. The antiinflammatory activity of β-sitosterol was independent of pituitary adrenal axis. β-Sitosterol also possessed antipyretic activity, similar to acetylsalicylic acid. However, it was devoid of analgesic activity against aconitine induced writhing in mice. β-Sitosterol showed a wide margin of safety since the approximate LD50 was more than 3 g/kg i.p. in mice and minimum ulcerogenic dose was 600 mg/kg i.p. in rats. The presence of the anti-inflammatory and antipyretic activities with wide margin of safety, β-sitosterol may be of therapeutic value.
Key Word Index
(3-Sitosterol - Anti-inflammatory - Antipyretic.