生産地ならびに価格の異なる乾のりの遊離アミノ酸および脂肪酸組成

概要

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Free amino acids and fatty acid composition were determined in dried nori Porphyra yezoensis which was cultivated in eight prefectures and classified by price. Taurine, alanine, glutamic acid, and aspartic acid were detected in quantities amounting to 627 ?? 1, 637, 308 ?? 1, 602, 322 ?? 1, 844, and 66 ?? 282mg per 100g dry matter, respectively, and these four amino acids occupied more than 86% of the total free amino acids. Glutamic acid and alanine are known to be important free amino acids for the taste of nori, but according to statistics these contents had no correlation with auction prices. Fat content ranged from 1.84 to 5.22g/100g, and C20:5ns, icosapentaenoic acid (13.3 ?? 57.7%), and C16:0, palmitic acid (15.5 ?? 45.3%) were the main fatty acids in total lipid. There was no mutual relation between contents and compositions of dietary fibers, minerals, free amino acids and fat, or fatty acids.
日本水産學會の論文