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dc.contributor.authorOla-Mudathir, Kikelomo F.-
dc.contributor.authorSuru, Stephen M.-
dc.contributor.authorFafunso, Michael A.-
dc.contributor.authorObioha, Udoka E.-
dc.contributor.authorFaremi, Toyin Y.-
dc.identifier.citationOla-Mudathir, K. F., Suru, S. M., Fafunso, M. A., Obioha, U. E., & Faremi, T. Y. (2008). Protective roles of onion and garlic extracts on cadmium-induced changes in sperm characteristics and testicular oxidative damage in rats. Food and Chemical Toxicology, 46(12), 3604-3611.en_US
dc.description.abstractCadmium (Cd) is known to exert gonadotoxic and spermiotoxic effects. The present study was performed to assess the possible protective roles of onion (Allium cepa Linn) and garlic (Allium sativum Linn) extracts on Cd-induced testicular damage and spermiotoxicity. The control group received double distilled water; Cd group received Cd (1.5 mg/100 g BW/day) orally; extract-treated groups were pre-treated with varied doses of onion and/or garlic extract (0.5 ml and 1.0 ml/100 g BW/day) orally for one week and then simultaneously challenged with Cd (1.5 mg/100 g BW/day) for additional three weeks. Testicular tissue oxidant/antioxidant status and sperm characteristics were determined. Cd caused a marked (p < 0.001) rise in testicular lipid peroxidation (LPO) and glutathione S-transferase (GST) levels whereas glutathione (GSH), superoxide dismutase (SOD), catalase (CAT) and alkaline phosphatase (ALP) levels were decreased. Cd intoxication significantly (p < 0.001) decreased epididymal sperm concentration and sperm progress motility, increased percent total sperm abnormalities and live/dead count. Both extracts successfully attenuated these adverse effects of Cd. Onion extract offers a dose-dependent protection. Our study demonstrated that aqueous extracts of onion and garlic could proffer a measure of protection against Cd-induced testicular oxidative damage and spermiotoxicity by possibly reducing lipid peroxidation and increasing the antioxidant defence mechanism in rats..en_US
dc.subjectOxidative damageen_US
dc.subjectSperm characteristicsen_US
dc.titleProtective roles of onion and garlic extracts on cadmium-induced changes in sperm characteristics and testicular oxidative damage in ratsen_US
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