The Effects of Resistant Starch on Biomarkers of Inflammation and Oxidative Stress: A Systematic Review and Meta-Analysis
2022
Wei, Yali | Zhang, Xiyu | Meng, Yan | Wang, Qian | Xu, Hongzhao | Chen, Liyong
The aim of this systematic review and meta-analysis was to investigate the effects of resistant starch (RS) on inflammation and oxidative stress related indicators. PubMed, Embase and The Cochrane library were systematically searched to find randomized controlled trials (RCTs) of RS intervention up to February 2020. We used from the effect size, as estimated by the standardized mean difference (SMD) with 95% confidence intervals (95%CI) to perform the random method meta-analysis, with P value ≦0.05 as statistically significant. The 16 included trials with 17 effect sizes included a total of 739 participants in this paper. The intervention duration was from 2 weeks to 3 months. The analysis indicated that RS decreases the levels of tumor necrosis factor-α (TNF‐α) (SMD = −0.711; 95%CI: −1.227, −0.194; P = 0.007) and interleukin 6 (IL‐6) (SMD = −0.609; 95%CI: −0.924, −0.294; P < 0.001), increases total antioxidant capacity (TAC) (SMD = 2.543, 95% CI: 0.069: 5.017, P = 0.044). No significant effects on C‐reactive protein (CRP) (SMD = −0.583; 95%CI: −1.270, 0.104; P = 0.096), superoxide dismutase (SOD) (SMD = 0.091; 95%CI: −0.156, 0.338; P = 0.471), and malondialdehyde (MDA) (SMD = −0.320; 95%CI: −0.907, 0.266; P = 0.285). Subgroup analysis shown that CRP level significant reduced in subjects from the east (SMD = −1.501; 95%CI: −2.662, −0.340; P = 0.011) or suffering from diseases (SMD: −1.057; 95%CI: −1.999, −0.115; P = 0.028). Supplemental data for this article is available online at https://doi.org/10.1080/01635581.2021.2019284
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