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The petroleum ether soluble fraction of the alcoholic extract of the aerial parts of C. verbascifolia afforded after saponification and column chromatography : lupeol, stigmasterol, B-sitosterol and B-sitosterol-D-glucoside. Their identity was established through comparison with reference materials. Fatty acid analysis was performed by GC after methylation, to indicate the presence of 15 acids. The anti-inflammatory, antipyretic, analgesic, anticonvulsant and the effect on sleeping time of thiopental anaesthetized rats of the lyophilized aqueous extract of the plant was also studied and discussed.
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Harraz et al. (1994) studied this question.
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