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Omega 3 Fatty Acid Enriched Foods
Enrichment of hen eggs with n-3 long-chain fatty acids and evaluation of enriched eggs in humans was the title of the study by DJ Farrell. The research was conducted at the Department of Biochemistry, Microbiology and Nutrition, University of New England. The research findings from this study were published in the National Journal of Epidemiology in August of 2001.
Eggs enriched with n-3 polyunsaturated fatty acids (PUFAs) were produced by hens fed diets containing fish oil or a combination of fish and vegetable oils. In a sensory evaluation, 78 untrained volunteers could not distinguish between ordinary and enriched eggs. Storage life was also not significantly different between egg types.
A food intake survey of 4 groups of 14 subjects each who consumed 7 eggs/wk for 24 wk showed that intakes of the major dietary components were not significantly different for 4 different egg types. Mean (n = 56) plasma cholesterol and triacylglycerol concentrations were not significantly different at the start and finish of the study. Body weight and HDL concentrations increased during the study (P < 0.05). For the last 2 wk of the experiment (weeks 23-24), mean egg consumption was increased from a total of 14 to a total of 21 eggs, resulting in a small increase in plasma triacylglycerols only.
There were no significant differences (P > 0.05) in body weight, blood pressure, or plasma lipid components among treatment groups consuming the 4 different egg types. Blood samples taken after 16 and 22 wk from fasted subjects showed significant increases in eicosapentaenoic acid, docosahexaenoic acid, and total n-3 PUFAs in subjects consuming enriched eggs compared with controls. In addition, the ratio of n-6 to n-3 PUFAs in plasma was significantly reduced from 12.2:1 to 6.5-7.7:1 in subjects consuming enriched eggs compared with controls. Consumption of only one enriched egg daily can contribute substantially to the recommended daily intake of n-3 PUFAs.Omega 3 fish oils Pure EPA is available exclusively from mind 1st.
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