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Year : 2005  |  Volume : 37  |  Issue : 1  |  Page : 30-32

Effect of the aqueous extract of dry fruits of Piper guineense on the reproductive function of adult male rats

1 Laboratoire de Physiologie Animale, Faculte des Sciences, Universite de Yaounde I, B.P.812 Yaounde, Cameroon
2 Institut de recherche medicale et d'etude des plantes medicinales, B. P. 6163 Yaounde, Cameroon
3 Departement de Chimie Organique, Faculte des Sciences, Universite de Yaounde I, B. P. 812 Yaounde, Cameroon

Correspondence Address:
F GY Mbongue
Laboratoire de Physiologie Animale, Faculte des Sciences, Universite de Yaounde I, B.P.812 Yaounde
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0253-7613.13852

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OBJECTIVE: To study the effect of the aqueous extract of Piper guineense (Piperaceae) on male reproductive function in Wistar rats. MATERIALS AND METHODS: Male rats, 3 months old, weighing 180-210 g were administered (by gastric intubation) the aqueous extract of dry fruits of Piper guineense at two doses, 122.5 and 245 mg/kg for 8 days and 122.5 mg/kg for 55 days. The control group received distilled water for the same duration. Animals were sacrificed and the blood, testes, epididymis, seminal vesicles and prostate were collected for biochemical analyses. RESULTS: There was a significant increase in the level of testosterone in the serum and testes, cholesterol in the testes, α-glucosidase in the epididymis and fructose in the seminal vesicles after 8 days of treatment, while with 55 days of treatment, the levels of cholesterol in the testes increased by 75%, while the levels of α-glucosidase in the epididymis and the seminal vesicle fructose decreased by 24 and 21% respectively. On the other hand, there was a 20% reduction of fertility in the P. guineense-treated rats after 55 days of treatment. CONCLUSION: The aqueous extract of P. guineense at both doses (122.5 and 245 mg/kg) had a positive impact on the male reproductive function since it stimulated the secretions of the testes, epididymis and seminal vesicles. The use of P. guineense could negatively influence male fertility.


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