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Rev Endocr Metab Disord. 2019 Jun;20(2):173-186. doi: 10.1007/s11154-019-09494-z.

Effect of resveratrol on metabolic syndrome components: A systematic review and meta-analysis.

Author information

1
Isfahan Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran.
2
Epidemiology and Biostatistics Department, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran.
3
Applied Physiology Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.
4
Medicinal Plants Research Center, Institute of Medicinal Plants, ACECR, Karaj, Iran.
5
Toxicology and Diseases Group, The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran.
6
Faculty of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran.
7
Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran. mh.farzaei@gmail.com.

Abstract

We summarized 16 controlled studies and evaluated the correlation of resveratrol supplementation with metabolic parameters such as the body weight, waist circumference (WC), systolic blood pressure (sbp), HDL, total cholesterol, triglyceride and glucose levels. This meta-analysis was carried out to determine the association between the resveratrol intake with metabolic parameters in metabolic syndrome patients. PubMed, Scopus, Cochrane and Google Scholar were searched from inception to December 2018 using relevant keywords. All articles were independently reviewed by two authors using predetermined selection criteria. We have selected the studies that investigated the effects of resveratrol on metabolic parameters. Of 16 studies, 10 were performed on human subjects, and in 6 studies animal models were used. Standard mean difference (SMD) with 95% confidence interval were determined using Der Simonian and Laird random-effects modeling, when there was a significant heterogeneity between studies. Funnel plot and Egger's test were conducted to examine the risk of publication bias. Pooled effect sizes in human studies indicated a significant impact of resveratrol supplementation on glucose level [-1.73 (-2.99, -0.47); p = 0.007)] and WC [-1.73 (-2.79, -0.67); p = 0.001] compared with the control group. Also combining the results of studies on rat samples (n = 6), indicated significant effect of resveratrol on decreasing weight [-22.95 (-44.74, -1.17); p = 0.04], TGs [-6.76 (-11.10, -2.42); p = 0.001], sbp [-7.30 (-12.48, -2.13); p = 0.006], and it can influence significantly on increasing HDL level (4.75 (1.87, 7.63); p = 0.001). However, resveratrol was not significantly effective on total cholesterol in both samples. The results of subgroup analysis of human studies showed that resveratrol has significant effect on metabolic parameters (glucose level and WC) at the dosage of > 500 mg and with long-term interventions ≥ 10 weeks. Administration of resveratrol can meaningfully reduce the BW, WC, TGs, and glucose level, also it can increase HDL, but not total cholesterol.

KEYWORDS:

Meta-analysis; Metabolic syndrome; Metabolism; Resveratrol

PMID:
31065943
DOI:
10.1007/s11154-019-09494-z

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