• Title/Summary/Keyword: Simaroubaceace

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Effects of Eurycoma longifolia Jack on Sexual Beahviour of Male Rats

  • Ang, Hooi-Hoon;Sim, Meng-Kwoon
    • Archives of Pharmacal Research
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    • v.20 no.6
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    • pp.656-659
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    • 1997
  • The Effects of Eurycoma longifolia Jack were studied on the sexual behaviour of male rats. Sexually normal male rats were treated twice daily with 500 mg $kg^{-1}$ / of different fractions of E.longifolia Jack for 10 days prior to test and were then observed for their copulatory behaviour with a receptive female in a copulation cage. Results showed that was a significant increase (p<0.05) in EL-1, EL-2, EL-3 but significant decrease (p<0.05) in both PEI-1 and PEI-2 in treated male rats as compared to the control male rats indicating that E. longifolia Jack increased the sexual performance of the treated male rats by extending the duration of coitus and decreasing the refractory period between the different series of copulation. Hence, this preliminary work supports the folk use of this plant as having aphrodisiac property.

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Aphrodisiac Evaluation in Sexually Naive Male Mice after Chronic Administration of Eurycoma longifolia Jack

  • Ang, Hooi Hoon;Sim, Meng-Kwoon
    • Natural Product Sciences
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    • v.4 no.2
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    • pp.58-61
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    • 1998
  • Eurycoma longifolia Jack was evaluated for aphrodisiac property on sexually naive male mice using the electrical copulation cage. Optimum condition was provided for this study and the male mice were treated with 500 mg/kg of either chloroform, methanol, water or n-butanol fractions from E. longifolia Jack. However, the mice in the yohimbine and control groups received 30 mg/kg and 3 ml/kg of yohimbine and normal saline respectively. The male mice were then conditioned to seek either an estrous female, sexually vigorous male or no mouse, a measurement of right, wrong or no choice respectively. Besides this, hesitation time which was the time spent before the sexually naive male mice crossed the electrical grid (maintained at 0.12 mA) was also determined. Results showed that E. longifolia Jack possesses aphrodisiac property on the sexually naive male mice as shown by the slow and transient reduction in hesitation time and also a similar manner in the increase in the % of sexually naive male mice scoring right choice throughout the investigation period. Hence, this further supports the folkuse of this plant as aphrodisiac.

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