Affiliation:
1. Department of Nutrition, Faculty of Medicine Mashhad University of Medical Sciences Mashhad Iran
2. Student Research Committee Mashhad University of Medical Sciences Mashhad Iran
3. Department of Community Nutrition, School of Nutritional Sciences and Dietetics Tehran University of Medical Sciences Tehran Iran
4. Faculty of Medicine Shahid Beheshti University of Medical Science Tehran Iran
5. Department of Food, Nutrition, Dietetics and Health Kansas State University Manhattan Kansas USA
6. Cancer Research Center Shahid Beheshti University of Medical Sciences Tehran Iran
7. Student Research Committee Shahid Beheshti University of Medical Sciences Tehran Iran
8. Faculty of Medicine Iran University of Medical Science Tehran Iran
9. Department of Pharmacognosy, School of Pharmacy Shiraz University of Medical Sciences Shiraz Iran
10. Medicinal Plants Research Center Yasuj University of Medical Sciences Yasuj Iran
Abstract
AbstractEvidence supports the potential application of polyphenols as agents against obesity. Pomegranate is one of the fruits that possess a high content of polyphenols. This systematic review and meta‐analysis of randomized controlled trials (RCTs) sought to evaluate the effects of pomegranate consumption on obesity indices, including body mass index (BMI), body weight, waist circumference (WC), fat mass (FM), body fat percentage (BFP), and fat‐free mass (FFM) in adults. Relevant RCTs were obtained by searching databases, including PubMed, SCOPUS, and Web of Science, up to May 2023. Heterogeneity tests of the included trials were performed using the I2 statistic. Random effects models were assessed based on the heterogeneity tests, and pooled data were determined as the weighted mean difference with a 95% confidence interval. Pooled analysis of 28 trials revealed that pomegranate consumption led to a significant reduction in body weight (WMD: −1.97, 95% CI: −2.91, −1.03, p < .05), and a significant decrease in BMI (WMD: −0.48, 95% CI: −0.76, −0.20, p < .05) in comparison with the control group. However, there were no significant effects on WC, FM, FFM, and BFP in comparison with the control group. Pomegranate consumption may yield a beneficial effect on body weight and BMI in adults. However, there were no significant effects on WC, FM, FFM, and BFP, by pomegranate consumption. Also, pomegranate consumption can reduce body weight, BMI, WC, and BFP in obese adults. Long‐term trials with different doses of pomegranate are needed.
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