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Obesity caused by a high-fat diet leads to an altered reproductive hormonal profile, including impaired semen quality. Antioxidants can overcome these conditions. One of the well-known sources of antioxidants is in the rambutan fruit peel extract. This research aimed to figure the effect of rambutan fruit peel extract towards total sperm count in Wistar rats induced with high-fat feed. The study design used post-test only control group, subjects were 30 male Wistar rats divided into five groups: Group I (Positive Control) was given high-fat feed, Group II (Treatment Control Group) was given 15mg/kg BW rambutan fruit peel extract, whereas group III, IV, V (Treatment Group) were given an extract of rambutan skin with a dosage of 15, 30, and 60 mg/kg BW, respectively. Treatment was administered for 81 days. This study showed that rambutan fruit peel extract with doses of 15, 30, and 60 mg/kg BW has significantly increased total sperm count in Wistar rats induced with high-fat feed. The outcome using Kruskal Wallis shows a result of p-value 0,010 (CI 95%). Antioxidant compounds found in rambutan fruit peel extract significantly increase total sperm count in Wistar rats induced with high-fat feed, with the highest efficacy on the dose of 15mg/kg BW.
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