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Relationship between intake of fruit separately from vegetables and triglycerides - A meta-analysis.

Author(s) : Kodama S., Horikawa C., Fujihara K., Ishii D., Hatta M., Takeda Y., Kitazawa M., Matsubayashi Y., Shimano H., Kato K., Tanaka S., Sone H.
Date : Oct, 2018
Source(s) : Clinical Nutrition Espen #27: p53-58
Adresse : Department of Laboratory Medicine and Clinical Epidemiology for Prevention of Noncommunicable Diseases, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan. Electronic address: ybbkodama@gmail.com.

BACKGROUND & AIMS
High intake of fruit and vegetables is recommended for cardiovascular health. However, there have been persistent beliefs that fruits having high concentrations of fructose elevate the level of triglycerides (TG) in blood unlike vegetables. This meta-analysis aims to clarify the relationship between fruit intake and TG or hypertriglyceridemia.

METHODS
Electronic literature searches were conducted for observational studies that investigated the relationship between fruit intake and hypertriglyceridemia or intervention studies that investigated the effect of increasing fruit intake on TG. Each effect size was pooled with an inverse-variance method.

RESULTS
Five cross-sectional studies and only 2 intervention studies were eligible. The pooled odds ratio (OR) (95% confidence interval (CI)) of the 5 cross-sectional studies for the highest vs. the lowest fruit intake category was 0.79 (0.72-0.87). In these studies, the pooled OR for the highest vs. the lowest vegetable intake category was not significant (OR = 0.92; 95% CI, (0.82-1.03)). A linear dose-response association was observed between increases in fruit intake and ORs for hypertriglyceridemia; the OR (95% CI) for an incrementally increased intake of fruit by 1 serving/day was 0.91 (0.84-0.98).

CONCLUSION
This meta-analysis suggests that high intake of fruit but not vegetables is inversely associated with hypertriglyceridemia. More trials are needed to clarify whether increasing fruit intake would reduce the level of TG and/or incident hypertriglyceridemia.

Source : Pubmed

 

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