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This study aimed to assess the aphrodisiac potential of tiger nuts (Cyperus esculentus L.) powder in male Wistar albino rats. Twenty-five male and twenty-five female rats were used for the experiment. The male rats were selected into five groups of 5 rats/group. Two groups served as normal and positive controls. Three groups were fed with feed supplemented with varying concentrations of Cyperus esculentus powder (5%, 10%, and 20%) for fourteen (14) days. After the treatment, sexual behaviors, fasting blood glucose, lipid profile, nitric oxide, and some sex hormone levels were assayed. The results showed a significant variation in mount frequencies, while significant increases were observed in intromission frequency and intromission ratio as compared to the normal control. Significant increases in the body weight of both the normal control and treated groups were observed. However, the fasting blood glucose level was not altered significantly. Lipid profile levels were increased in rats fed a 20% tiger nut supplementary diet when compared with the control, whereas low-density lipoprotein was not changed significantly. Nitric oxide concentration significantly increased in the testes but decreased in the kidneys of the treated groups. The results of sex hormone levels showed a significant increase in follicle-stimulating hormone and testosterone with no variation in luteinizing hormone. These results showed that Cyperus esculentus powder can improve the sexual behavior of male rats, hence giving credence to the aphrodisiac potential of Cyperus esculentus.
Osibemhe et al. (Sat,) studied this question.