메기(Parasilurus asotus)의 部位別 脂肪質成分의 分布

• 영문명: Distribution of Lipid Components in Various Tissues of Cat Fish, Parasilurus asotus
• 발행기관: 군산대학교 수산과학연구소
• 저자명: 최진호(Jin-Ho Choi) 박시향(Si-Hyang Park) 노재일(Jae-Il Ro) 변재형(Jae-Hyeung Pyeun) 최선남(Sun-Nam Choe)
• 간행물 정보: 『군산대학교 수산과학연구소 연구논문집』제1집, 233~238쪽, 전체 6쪽
• 주제분류: 농수해양 > 해양학
• 파일형태: PDF
• 발행일자: 1994.12.01

영문 초록

This study was designed to elucidate the lipid and its fatty acid composition in various tissues of cat fish. Parasilurus asotus. The free lipid contents in meat, skin and viscera were 5.62%, 26.34% and 19.27%, Whereas the bound lipid contents in those tissues were 2.34%, 2.30% and 19.27%, respectively. The neutral lipid contents in free lipid were 5 times higher than those in bound lipid. while the phospholipid contents in bound lipid were 4 times higher than in free lipid. The neutral lipid was mainly composed of triglyceride (79.84%-99.86%) in free lipid, and esterified sterol & hydrocarbon(55.12-64.33%) in bound lipid. The phospholipid was mainly composed at phosphatidyl choline(52.38-69.98%) and phosphatidyl ethanolamine (24.09-40.48%) in free lipid, and phosphatidyl choline (53.03-58.54%) and phosphatidyl ethamolamine(13.80-19.23%) in bound lipid. The major fatty acids of polar lipid in tree and bound lipids were CI6:0(28.37%, 21.99%). CI8:1(12.01%, 11.52%). C18:2 (17.93%, 14.12%) and C22:6 (17.22%, 20.63%), and those of nonpolar lipid in free and bound lipids were C16:0(14.81%, 18.94%). C18:1(25.93%, 10.89%) and C22:6 (9.95%, 23.44%), respectively. The total essential fatty acid(TEFA) content in skin was slightly higher than that in meat. In both polar and nonpolar lipids in meat w3-HUFA contents of polar lipid were 1.5-2.0 times higher than nonpolar lipid and also w3-HUFA content of bound lipid was slightly higher than that of free lipid. There were significant differences in the lipid classification and its fatty acid composition between free and bound lipids and/or in various tissues.

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