Thursday 24 May 2012

Using 3-6 differences in essential fatty acids rather than 3/6 ratios gives useful food balance scores

Background:
The vitamin-like omega-3 and omega-6 essential fatty acids are converted in the body to alarge family of hormones which act at selective receptors that occur on nearly every cell andtissue. A relative omega-3 deficit allows overabundant actions of omega-6 hormones todevelop into health disorders. People need simple, explicit information on the balance ofessential fatty acids in their foods to avoid accumulating unintended imbalances in theirtissue omega-3 and omega-6 fatty acids.
Results:
We developed an Omega 3-6 Balance Food Score that summarizes in a single value thebalance among eleven omega-3 and omega-6 essential fatty acids in a food. The value allowsa quantitative estimate of the impact of each food item on the proportions of omega-3 andomega-6 that will accumulate in the 20- and 22-carbon highly unsaturated fatty acids ofblood, which is an important health risk assessment biomarker.
Conclusions:
The impact of an individual food item upon a useful health risk assessment biomarker iseasily evident in a simple, explicit value for the balance among eleven essential fatty acidsnutrients. Foods with more positive Omega 3-6 Balance Food Scores will increase thepercent of omega-3 in the biomarker, whereas those with more negative Scores will increasethe percent of omega-6 in the biomarker.

Source: http://www.nutritionandmetabolism.com/content/9/1/46

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