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KMID : 0620720010070030076
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Natural Product Sciences
2001 Volume.7 No. 3 p.76 ~ p.82
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Pharmacological Studies of Various Extracts and the Major Constituent , Lupeol , obtained from Hexane Extract of Teclea nobilis in Rodents
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Al Rehaily, Adnan J .
El Tahir, Kamal E . H ./Mossa, Jaber S ./Rafatullah, Syed
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Abstract
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The pharmacological activities of the acetonitrile (MeCN), hexane extracts and isolated pure terpenoidal compound Lupeol from the leaves of Teclea nobilis, Delile (TN), on inflammation induced by carrageenan and implantation of cotton pellets in rats; the nociceptive response using writhing and tail flick tests and the antipyretic activity in yeast-induced fever were examined in mice. Oral administration of TN extracts at doses of 150 and 300 ㎎/㎏ and lupeol 5 and 10 ㎎/㎏ showed a significant anti-inflammatory activity in rats. The extracts of TN and lupeol significantly decreased the number of contractions and stretchings induced by acetic acid and heat-induced pain in mice. The antipyretic effect of extracts and lupeol was also found to be significant. The behavioral observation of animals showed that the hexane extract and lupeol caused CNS depressant activity and did not produce any toxic or lethal effects in animals at various dose levels. The results suggest that the Teclea nobilis extracts and lupeol possesses anti-inflammatory, analgesic and antipyretic activities.
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