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Exp Biol Med (Maywood). 2014 Feb;239(2):177-82. doi: 10.1177/1535370213508360. Epub 2013 Dec 3.

Fresh onion juice enhanced copulatory behavior in male rats with and without paroxetine-induced sexual dysfunction.

Author information

1
Department of Anatomy, Faculty of Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan.

Abstract

Onion (Allium cepa) is one of the most commonly cultivated species of the family Liliaceae, and has long been used in dietary and therapeutic applications. Treatment with fresh onion juice has been reported to promote testosterone production in male rats. Testosterone is the male sex hormone responsible for enhancing sexual libido and potency. This study aimed to investigate the effects of onion juice on copulatory behavior of sexually potent male rats and in male rats with paroxetine-induced sexual dysfunction. Sexually experienced male rats were divided into seven groups: a control group, three onion juice-treated groups, a paroxetine-treated group, and two groups treated with paroxetine plus different doses of onion juice. At the end of the treatments, sexual behavior parameters and testosterone levels were measured and compared among the groups. Administration of onion juice significantly reduced mount frequency and latency and increased the copulatory efficacy of potent male rats. In addition, administration of onion juice attenuated the prolonged ejaculatory latency period induced by paroxetine and increased the percentage of ejaculating rats. Serum testosterone levels increased significantly by onion juice administration. However, a significant reduction in testosterone because of paroxetine therapy was observed. This reduction was restored to normal levels by administration of onion juice. This study conclusively demonstrates that fresh onion juice improves copulatory behavior in sexually potent male rats and in those with paroxetine-induced sexual dysfunction by increasing serum testosterone levels.

KEYWORDS:

Allium cepa; paroxetine; sexual behavior; testosterone

PMID:
24302558
DOI:
10.1177/1535370213508360
[Indexed for MEDLINE]

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