(2020) The effect of green coffee extract supplementation on anthropometric measures in adults: A comprehensive systematic review and dose-response meta-analysis of randomized clinical trials. Complementary Therapies in Medicine. ISSN 0965-2299
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Abstract
Background and aim: Two meta-analyses summarized data on the effects of green coffee extract (GCE) supplementation on anthropometric measures. However, the accuracy of those meta-analyses is uncertain due to several methodological limitations. Therefore, we aimed to conduct a comprehensive systematic review and dose-response meta-analysis to summarize all available evidence on the effects of GCE supplementation on anthropometric measures by considering the main limitations in the previous meta-analyses. Methods: We searched available online databases for relevant publications up to January 2020, using relevant keywords. All randomized clinical trials (RCTs) investigating the effects of GCE supplementation, compared with a control group, on anthropometric measures including body weight, body mass index (BMI), body fat percentage, waist circumference (WC) and waist-to-hip ratio (WHR) were included. Results: After identifying 1871 studies from our initial search, 15 RCTs with a total sample size of 897 participants were included in the systematic review and meta-analysis. We found a significant reducing effect of GCE supplementation on body weight (weighted mean difference (WMD): -1.23, 95 % CI: -1.64, -0.82 kg,P < 0.001), BMI (WMD:-0.48, 95 % CI:-0.78, -0.18 kg/m(2), P = 0.001), and WC (WMD:-1.00, 95 % CI: -1.70, -0.29 cm, P = 0.006). No significant effect of GCE supplementation on body fat percentage and WHR was seen. In the dose-response analyses, there was no significant association between chlorogenic acid (CGA) dosage, as the main polyphenol in green coffee, and changes in anthropometric measures. Conclusion: We found that GCE supplementation had a beneficial effect on body weight, BMI and WC. It provides a cost-effective and safe alternative for the treatment of obesity. Additional well-designed studies are required to further confirm our findings.
| Item Type: | Article |
|---|---|
| Keywords: | Chlorogenic acid Green coffee Obesity Abdominal obesity BEAN EXTRACT CHLOROGENIC ACID METABOLIC SYNDROME WEIGHT-LOSS INSULIN-RESISTANCE GLYCEMIC CONTROL BLOOD-PRESSURE LONG-TERM OBESITY RISK |
| Subjects: | QU Biochemistry. Cell Biology and Genetics > QU 145-220 Nutrition. Vitamins |
| Divisions: | Food Security Research Center School of Nutrition and Food Sciences > Department of Community Nutrition School of Nutrition and Food Sciences > Student Research Committee |
| Journal or Publication Title: | Complementary Therapies in Medicine |
| Journal Index: | ISI |
| Volume: | 51 |
| Identification Number: | https://doi.org/10.1016/j.ctim.2020.102424 |
| ISSN: | 0965-2299 |
| Depositing User: | Zahra Otroj |
| URI: | http://eprints.mui.ac.ir/id/eprint/12190 |
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