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  • Title: Use of Tribulus terrestris and Lepidium meyenii extract in rats: reproductive, biochemical and body parameters.
    Author: Miranda DR, Chaves BR, Vilela Soares L, Konig IFM, Pinto JT, Miranda JR, Zangeronimo MG.
    Journal: Andrologia; 2022 May; 54(4):e14358. PubMed ID: 34964154.
    Abstract:
    The oral administration of Tribulus terrestris and Lepidium meyenii extracts on reproductive, biochemical and body parameters was evaluated in rats. Thirty-six male Wistar rats weighting 210 ± 18 g were divided into six experimental groups (n = 6). Each group received, daily for 28 days, different solutions: T. terrestris (100 mg/kg), L. meyenii (1 g/kg) and T. terrestris at doses of 75, 50 and 25 mg/kg combined with L. meyenii at doses of 0.25, 0.5 and 0.75 g/kg, respectively, and distilled water (control). T. terrestris increased (p < 0.05) the serum testosterone, regardless of dose. Combined use of the extracts increased (p < 0.05) the diameter of the epididymal duct and epididymis lumen. The combinations of T. terrestris (75 and 50 mg/kg) with L. meyenii increased (p < 0.05) the sperm concentration. There were no differences (p > 0.05) in the other semen characteristics; relative weight of organs; and serum levels of urea, creatinine, alanine and aspartate transaminase, gamma glutamyl transferase, cholesterol, triglycerides, glucose, follicle-stimulating hormone and luteinizing hormone. No histopathological changes were observed (p > 0.05). It is concluded that the association of T. terrestris and L. meyenii has positive effects on serum testosterone, sperm concentration and epididymal morphology, with no evidence of effects in the testis, liver, spleen and kidneys.
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