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Effects of terminalia catappa seeds on sexual behaviour and fertility of male rats

Asian Journal of Andrology 2000年第3期2卷 213-219页

作者： W.D.Ratnasooriya M.G.Dharmasiri Department of Zoology University of Colombo Colombo 3 Sri LankaDepartment of Zoology University of Colombo Colombo 3 Sri Lanka

Aim: To evaluate the aphrodisiac potential of terminalia catappa Linn. seeds using a suspension of its kernel (SS)in 1% methyl cellulose in rats. Methods: Male rots were orally treated with 1500 mg/kg or 3000 mg/kg SS or ve-hicle, and their sexual behaviour was monitored 3 h later using a receptive female. Another group of rats was orallytreated with either 3000 mg/kg SS or vehicle for 7 consecutive days. Their sexual behaviour and fertility were evaluatedon days 1, 4 and 7 of treatment and day 7 post-treatment by pairing overnight with a pro-oestrous female. Results:The 1500 mg/kg dose, had a marked aphrodisiac action (prolongation of ejaculation latency) but no effect on libido(% mounting, % intromission and % ejaculation), sexual vigour (mounting-and-intromission frequency), or sexualperformance (intercopulatory interval). In contrast, the higher dose (3000 mg/kg) reversibly inhibited all the para?e-ten of sexual behaviour other than mounting-and-intromission frequency and copulatory efficiency. The effects of highdose SS were not due to general toxicity, liver toxicity, haemotoxicity, stress, muscle deficiency, muscle incoordina-fion, analgesia, hypoglycaemia or reduction in blood testosterone level. They were due to marked sedation. Conclu-sion: The kernel of T. catappa seeds has aphrodisiac activity and may be useful in the treatment of certain forms ofsexual inadequacies, such as premature ejaculation.

关键词： terminalia catappa seeds aphrodisiac male sexual behaviour libido premature ejaculation fertility sedation

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