期刊
JOURNAL OF ETHNOPHARMACOLOGY
卷 107, 期 1, 页码 1-6出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.jep.2006.01.032
关键词
Hypericum reflexum; analgesic activity; topical anti-inflammatory activity; mice
The present study investigates the analgesic and topical anti-inflammatory effects of the infusion, methanol extract and fractions of the aerial part in blossom of Hypericum reflexum L. fil. in mice. The acetic acid-induced writhing test, formalin test, tail flick test and the tetradecanoylphorbol acetate (TPA)-induced ear inflammation model in mice were used to determine these effects. Our findings show that oral administration of all extracts tested from this species significantly inhibit acetic acid-induced writhing in mice. Only the methanol extract and chloroform fraction were significantly active in both phases of formal in-induced pain and in the tail flick assays, suggesting that they may have central analgesic properties. On the other hand, the topical treatment of methanol extract, butanol and chloroform fractions of this species significantly reduced the TPA-induced ear oedema. In conclusion, the results indicate analgesic and topical anti-inflammatory activities in mice for the Hypericum species studied. (c) 2006 Elsevier Ireland Ltd. All rights reserved.
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