Colors of fruits and vegetables and 3-year changes of cardiometabolic risk factors in adults: Tehran lipid and glucose study.

Auteur(s) :
Mirmiran P., Azizi-Soleiman F., Bahadoran Z., Moslehi N., Bastan S.
Date :
Avr, 2015
Source(s) :
European journal of clinical nutrition. # p
Adresse :
Nutrition and Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran [2] Obesity Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

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BACKGROUND/OBJECTIVES
We aimed to investigate the associations of colors of fruit and vegetable (FV) subgroups, with 3-year changes of cardiometabolic risk factors.

SUBJECTS/METHODS
This longitudinal study was conducted in the framework of Tehran Lipid and Glucose Study, between 2006-2008 and 2009-2011, on 1272 adults. Total intake of FV and their subgroups have been assessed by a validated semi-quantitative food frequency questionnaire at baseline (2006-2008) and again at the second examination (2009-2011). Demographics, anthropometrics and biochemical measures were evaluated at baseline and 3 years later. The associations of anthropometric and lipid profile changes with FV subgroups were estimated.

RESULTS
The mean age of men and women at baseline was 39.8±12.7 and 37.3±12.1 years, respectively. Mean total intake of FV, red/purple, yellow, green, orange and white FV was 706±337, 185±95, 141±91, 152±77, 141±87 and 22±18 g/day, respectively. In men, 3-year changes of weight (β=-0.13, P=0.01) and waist circumference (β=-0.14, P=0.01) were related to intake of red/purple FV; the yellow group was inversely associated with 3-year changes of total cholesterol (β=-0.09, P=0.03) and High-density lipoprotein cholesterol (β=-0.11, P=0.03). Consumption of green and white FV was inversely related to abdominal fat gain, and atherogenic lipid parameters in men (P<0.05). In women, higher intake of red/purple FV was associated to lower weight and abdominal fat gain, fasting serum glucose and total cholesterol (P<0.05); yellow FV was also related to 3-year weight gain (β=-0.11, P=0.01).

CONCLUSIONS
Various colors of FV subgroups had different effects on cardiometabolic risk factors; higher intake of red/purple FV may be related to lower weight and abdominal fat gain, and yellow, green and white FV may be related to lipid parameters.

Source : Pubmed
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