Canola Oil, Low Glycemic Diet Beneficial in T2DM

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Canola Oil, Low Glycemic Diet Beneficial in T2DM
Canola Oil, Low Glycemic Diet Beneficial in T2DM

(HealthDay News) — A low glycemic load (GL) diet including α-linolenic acid (ALA) and monounsaturated fatty acid (MUFA) can improve glycemic control for patients with type 2 diabetes, according to a study published online June 14 in Diabetes Care.

David J. A. Jenkins, MD, PhD, DSc, from the University of Toronto in Canada, and colleagues determined the combined effect of ALA, MUFA, and low GL on glycemic control and cardiovascular risk factors in 141 participants with type 2 diabetes treated with oral antihyperglycemic agents. Participants were given dietary advice on a low-GL diet with a canola oil-enriched bread supplement containing ALA and MUFA, and/or whole-grain diet with a whole-wheat bread supplement (control).

The researchers found that the reduction in hemoglobin A1c was greater for the test diet than for the control diet (−0.47 vs. −0.31%, respectively; P=0.002), with the greatest benefit for participants with higher systolic blood pressure. The test diet correlated with greater reductions in the Framingham cardiovascular risk score, while the control diet correlated with increases in the reactive hyperemia index ratio.

"A canola oil-enriched low-GL diet improved glycemic control in type 2 diabetes, particularly in participants with raised systolic blood pressure, whereas whole grains improved vascular reactivity," the authors write.

The study breads were provided by Kensington Natural Bakers. The study was funded by Loblaw Companies. Several authors disclose financial ties to the medical and nutrition industries.

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