Evaluating effects of foods containing high oleic canola oil, DHA, and fibre on body composition and fatty acid metabolism: The CONFIDENCE (canola oil and fibre with DHA enhanced) study
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Date
2017
Authors
Yang, Shuo
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Abstract
Thirty-five volunteers were randomized and twenty-nine completed the study. Mean plasma and red blood cell (RBC) total DHA concentrations, which were analyzed among all participants as a measure of adherence, increased significantly in the DHA-enriched treatment compared to control oil-control flour. The plasma and RBC n-6: n-3 ratio was reduced after consumption of HOCODHA-control flour compared to control oil- control flour. The present study failed to see differences in body composition with the HOCODHA-barley flour treatment versus control oil-control flour treatment. In conclusion, significant increases in plasma EPA and DHA levels, as well as the omega-3 index, provide evidence supporting the cardioprotective effects of HOCODHA. The present study demonstrated that in the context of current Western macronutrient intakes, altering the dietary fatty acid composition and adding β-glucan had no major effect on body composition during the 28 days controlled dietary intervention.
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Keywords
Canola oil, DHA, beta-glucan, fatty acid, body composition, fatty acid synthesis