Relationship between Food-Intake Frequency and Analytical Data of Serum in Female College Students (Part 2):Relationship between Fish and Shellfish Intake Frequencies and Serum Fatty Acids

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The relationship between fish and shellfish intake frequencies and serum fatty acids was investigated using t-test, that involved 221 female college students. The findings are as follows.<BR>1. The intake frequencies of fresh fish and shellfish reflected the total intake volumes of fish and shellfish, when the food-intake frequency was divided into 3 categories, i, e., the frequency of 3 to 5 times or more a week, once or twice a week and once or twice in a month.<BR>2. The serum levels (concentration and composition ratio) of icosapentaenoic acid (IPA) and n-3 polyunsaturated fatty acid (PUFA) were positively correlated, and the n-6/n-3 ratio was negatively correlated, with the 3 categories of the fresh fish and shellfish intake frequencies.<BR>3. The serum levels of docosahexaenoic asid (DHA) and P/S ratio were significantly higher for the food-intake frequency of 3 to 5 times or more a week.<BR>These findings demonstrated that the levels of serum fatty acids such as IPA, DHA, n-3 PUFA and n-6/n-3 ratio are related to the intake frequencies of fresh fish and shellfish, and the dietary intakes of fish and shellfish with the frequency of 3 to 5 times or more a week may be important for the prevention of coronary heart diseases and the increase in health.
日本食生活学会の論文