Fisheries and Aquatic Sciences

The Korean Society of Fisheries and Aquatic Science (한국수산과학회)
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Biochemical Composition of Muscle from Tanaka's Eelpout Lycodes tanakae, Magistrate Armhook Squid Berryteuthis magister, and Ocean Sunfish Mola mola, Caught in the East Sea, Korea

  • Lee, Doo-Seog (Food Safety Research Division, National Fisheries Research and Development Institute) ;
  • Cho, Hyeon-Ah (Food Safety Research Division, National Fisheries Research and Development Institute) ;
  • Yoon, Na-Young (Food Safety Research Division, National Fisheries Research and Development Institute) ;
  • Kim, Yeon-Kye (Food Safety Research Division, National Fisheries Research and Development Institute) ;
  • Lim, Chi-Won (Food Safety Research Division, National Fisheries Research and Development Institute) ;
  • Shim, Kil-Bo (Food Safety Research Division, National Fisheries Research and Development Institute)
  • Received : 2012.06.04
  • Accepted : 2012.05.09
  • Published : 2012.06.30
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Abstract

The biochemical composition of muscle from three deep-sea animals, Tanaka's eelpout Lycodes tanakae magistrate armhook squid Berryteuthis magister, and ocean sunfish Mola mola caught in the East sea in South Korea was determined. The moisture (81.4-93.8 g/100 g), crude protein (5.0-15.6 g/100 g), crude lipid (0.1-1.5 g/100 g), and ash (1.0-1.1 g/100 g) contents of the two fishes were analyzed. The proximate composition of magistrate armhook squid was: moisture 84.0 g/100 g, crude protein 12.4 g/100 g, crude lipid 0.7 g/100 g, and ash 1.5 g/100 g. There was little difference in the proximate compositions of the three animals. The total amino acid contents of Tanaka's eelpout, magistrate armhook squid, and ocean sunfish were 14.64, 10.75, 3.10-9.95 g/100 g, respectively. High levels of glutamic acid, aspartic acid, lysine, leucine, and arginine were found, while low levels of histidine, glycine, and cysteine were detected in the animals. A survey of the free amino acid contents of the animals revealed large amounts of alanine and glycine. Significant differences were found in the fatty acid composition among the three species. Specially, different saturated fatty acids (17.14-40.49%) such as C16:0, and C18:0, monounsaturated fatty acids (19.19-46.88%) such as C16:1, and C18:1, and polyunsaturated fatty acids (35.41-57.08%) such as EPA, and DHA was identified. Our results suggest that each of these deep sea animals possesses nutritional value and should be considered as a foodstuff.

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