The effect of aqueous extract of banana peel on sexual behavior in male rats

Animal Physiology

To study the effect of aqueous banana peel (either green or yellow) extract on the sexual behavior, 50 male adult rats divided into 5 equal groups as the following: the control group administrated orally with 0.2 ml normal saline/ kg, the second group administrated orally with aqueous extract of green yellow banana peel (400 mg/kg), the third group administrated orally with aqueous extract of green yellow banana peel (200 mg/kg), the fourth group administrated orally with extract of yellow banana peel (400 mg/kg) and the fifth group administrated orally with extract of yellow banana peel (200 mg/kg) . All treatments were done for 28 days. The experiment was performed at the night time in a dim red florescent lamp. Fifty bilateral overiectomized female rats were used as a mating stimulus, the ovariectomy was done two weeks before the experiment . To be sexually receptive, the females were received single subcutaneous injections of 10µg estradiol benzoate and 1mg progesterone before pairing by 52 hours and 4 hours respectively. The parameters of male sexual behavior were recorded. In comparison to control the extract treatment either of green or yellow in all doses resulted in increase in mount latency (ML), intromission latency (IL) and ejaculation latency (EL) while it decrease the mounts frequency(MF) ,intromission frequency (IF) ejaculation frequency (EF) and ejaculatory interval (PEI). Also, the extract increased estrogen levels while it decrease testosterone level. It could be concluded that aqueous extract of either green or yellow banana peel resulted in impairment of sexual behavior in male rats and further studies may be conducted on the mode of action and phytochemical screening.

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