Banana (Musa cavendish) peel, usually discarded as waste, is a polyphenol-rich source with antioxidant and chelating properties. This study evaluated its ability to mitigate ovarian toxicity induced by a heavy metal mixture (HMM) consisting of Hg, Mn, Pb, and Al in female rats. Animals received the HMM with or without banana peel extract at 200, 400, and 800 mg/kg dosages for 60 days. Co-treatment dose-dependently reduced ovarian metal accumulation, attenuated oxidative and nitrosative stress (MDA, NO), restored antioxidant enzyme activities (SOD, CAT, GSH, GPx), and modulated pro-inflammatory (IL-6, TNF-α), apoptotic (Caspase-3), and transcriptional factors (NF-κB, Nrf2). The gonadal endocrine profile also improved gonadotropins (FSH, LH), prolactin (PRL), and progesterone (P), which were normalized at the medium dose (400 mg/kg), and demonstrated a clear dose-related effect. Histological examination further revealed that this dose most effectively improved ovarian tissue. GC–MS analysis identified bioactive compounds including resveratrol, proanthocyanidins, and anthocyanidins, supporting both antioxidant and chelating actions. These findings demonstrate that banana peel extract exerts a dual, dose-dependent protective role in the gonad, limiting metal burden while enhancing redox defenses, and highlight its translational potential as a sustainable agro-food waste product in reproductive toxicology.
Eddie-Amadi et al. (Thu,) studied this question.
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