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KMID : 1134820000290010174
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Journal of the Korean Society of Food Science and Nutrition
2000 Volume.29 No. 1 p.174 ~ p.179
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Comparison of Extractive Nitrogenous Constituents in Cultured and Wild Olive Flounder (Paralichthys olivaceus) Muscle
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park Choon-Kyu
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Abstract
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The nitrogenous compounds in the muscle extracts of cultured and wild olive flounder, Paralichthys olivaceous, were analyzed. The analyzed coumpounds were extractive nitrogen, free amino acids, oligo- peptides, ATP and its related compounds, quaternary ammonium bases, and guanidino compounds. The distribution pattern of these compoounds in cultured and wild fish was found to be very similar. Although the ATP and its related compounds and creatine in the muscle of cultured fish were slightly abundant than those in the muscle of wild one, the extractive nitrogen, total free amino acid, oligopeptides, and TMAO were found to be slightly rich in the muscle of wild fish than those in the muscle of cultured one. The moisture content of cultured fish was relatively lower but the protein and fat contents of cultured one were higher than those of wild fish. However the differences in the proximate composition, extractive nitrogen and nitrogenous compounds between two fishes were not significantly different.
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KEYWORD
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olive flounder, Paralichthys olivaceus, free amino acids, oligopeptides, ATP and its related compounds, TMAO, creatine
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