期刊
NUTRITION RESEARCH
卷 33, 期 5, 页码 367-375出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.nutres.2013.02.012
关键词
Randomized trial; Flaxseed; Prediabetes; Overweight; Obesity; Adults; Men; Women; Inflammation; Glycemic control; Lignans; Omega-3 fatty acids; Glucose; Insulin
资金
- American Diabetes Association [7-06-RA-61]
- Natural Sciences and Engineering Research Council of Canada (Canada)
The study hypothesis was that fasting glucose, insulin, fructosamine, C-reactive protein, and interleukin-6 decrease and adiponectin increases with daily flaxseed consumption in overweight or obese individuals with pre-diabetes. In this randomized, cross-over study overweight or obese men and postmenopausal women (n = 25) with pre-diabetes consumed 0, 13, or 26 g ground flaxseed for 12 weeks. Glucose, insulin, homeostatic model assessment (HOMA-IR), and normalized percent of a-linolenic fatty acid (ALA) were significantly different by treatment (multiple analysis of variance, P = .036, P = .013, P = .008, P = .024 respectively). Paired t tests showed glucose decreased on the 13 g intervention compared to the 0 g period [13g = -2.10 +/- 1.66 mg/L (mean SEM), 0 g = 9.22 +/- 4.44 mg/L, P = .036]. Insulin decreased on the 13 g intervention but not the 26 g (P = .021) and 0 g (P = .013) periods (13 g = -2.12 +/- 1.00 mU/L, 26 g = 0.67 +/- 0.84 mU/L, 0g = 1.20 +/- 1.16 mU/L). HOMA-IR decreased on the 13 g period but not on the 26 g (P = .012) and 0 g (P = .008) periods (13g = -0.71 +/- 0.31, 26g = 0.27 +/- 0.24, 0g = 0.51 +/- 0.35). The a-linolenic fatty acid decrease for the 0 g period was different than the 13 g (P = .024) and 26 g (P = .000) periods (13 g = 0.20 +/- 0.04, 26g = 0.35 +/- 0.07, 0g = -0.01 +/- 0.07). Fructosamine, high sensitivity C-reactive protein, adiponectin, and high-sensitivity interleukin-6 had no significant differences. Flaxseed intake decreased glucose and insulin and improved insulin sensitivity as part of a habitual diet in overweight or obese individuals with pre-diabetes. (C) 2013 Elsevier Inc. All rights reserved.
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