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How Do Brown Seaweeds Work on Biomarkers of Dyslipidemia? A Systematic Review with Meta-Analysis and Meta-Regression

Journal

MARINE DRUGS
Volume 21, Issue 4, Pages -

Publisher

MDPI
DOI: 10.3390/md21040220

Keywords

brown seaweed; dyslipidemia; marine; health benefits

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This meta-analysis found that brown seaweed intake significantly decreased levels of total cholesterol and LDL cholesterol, but the association with HDL cholesterol and triglycerides was not significant. The results suggest that using brown seaweed may be an effective strategy to reduce the risk of dyslipidemia.
Dyslipidemia is a common chronic disease that increases the risk of cardiovascular disease. Diet plays an important role in the development of dyslipidemia. As people pay increased attention to healthy eating habits, brown seaweed consumption is increasing, particularly in East Asian countries. The association between dyslipidemia and brown seaweed consumption has been previously demonstrated. We searched for keywords associated with brown seaweed and dyslipidemia in electronic databases such as PubMed, Embase, and Cochrane. Heterogeneity was estimated using the I-2 statistic. The 95% confidence interval (CI) of the forest plot and heterogeneity were confirmed using meta-ANOVA and meta-regression. Funnel plots and publication bias statistical tests were used to determine publication bias. Statistical significance was set at p < 0.05. In this meta-analysis, we found that brown seaweed intake significantly decreased the levels of total cholesterol (mean difference (MD): -3.001; 95% CI: -5.770, -0.232) and low-density lipoprotein (LDL) cholesterol (MD: -6.519; 95% CI: -12.884, -0.154); nevertheless, the statistically significant association of brown seaweed intake with high-density lipoprotein (HDL) cholesterol and triglycerides were not observed in our study (MD: 0.889; 95% CI: -0.558, 2.335 and MD: 8.515; 95% CI: -19.354, 36.383). Our study demonstrated that brown seaweed and its extracts decreased total cholesterol and LDL cholesterol levels. The use of brown seaweeds may be a promising strategy to reduce the risk of dyslipidemia. Future studies involving a larger population are warranted to investigate the dose-response association of brown seaweed consumption with dyslipidemia.

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