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Nutrition. 2015 Mar;31(3):459-65. doi: 10.1016/j.nut.2014.09.015. Epub 2014 Oct 18.

Effect of non-soy legume consumption on inflammation and serum adiponectin levels among first-degree relatives of patients with diabetes: a randomized, crossover study.

Author information

1
Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran; Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran.
2
Isfahan Endocrine and Metabolism Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.
3
Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran; Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran. Electronic address: Azadbakht@hlth.mui.ac.ir.

Abstract

OBJECTIVE:

First-degree relatives of patients with diabetes are at more risk for endothelial dysfunction and inflammation. The aim of the present study was to determine the effects of a non-soy legume-enriched diet on inflammatory biomarkers and serum adiponectin levels among first-degree relatives of these patients.

METHODS:

Twenty-six participants (14 women and 12 men) with a family history of diabetes were recruited to this randomized, crossover study. Participants were randomly assigned to a legume-enriched or a habitual diet for 6 wk that was separated by a 2-wk washout. The inflammatory markers-high-sensitivity C-reactive protein (hs-CRP), interleukin-6, tumor necrosis factor-α, and serum levels of adiponectin-were measured at the beginning and the end of each intervention period according to the standard protocol.

RESULTS:

Energy intake of participants was not statistically different between the two diets (1821.5 ± 100.11 versus 1788.2 ± 92.68 kcal/d, respectively). After consumption of a legume diet, percent change of hs-CRP reduced significantly compared with consumption of a habitual diet (-4.86% ± 1.86% versus 3.55% ± 1.97%, P = 0.002) and among the women in the study (-12.96% ± 1.96% versus 3.24% ± 2.65%, P = 0.004). The percent change of other inflammatory markers and serum concentrations of adiponectin were not significantly different between the two diet groups.

CONCLUSION:

The results of this study showed that a legume-enriched diet significantly reduced the hs-CRP concentrations in first-degree relatives of patients with diabetes after 6 wk of intervention compared with a habitual diet.

KEYWORDS:

Adiponectin; At risk for diabetes; Clinical trial; Inflammatory markers; Legume

PMID:
25701335
DOI:
10.1016/j.nut.2014.09.015
[Indexed for MEDLINE]

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