Korean Journal of Fisheries and Aquatic Sciences (한국수산과학회지)

The Korean Society of Fisheries and Aquatic Science (한국수산과학회)
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Fatty Acid Composition of 20 Subtropical Fish Species from Jeju Island

제주도산 아열대성 어류 20종의 지방산조성 특징

  • Moon, Soo-Kyung (Department of Food and Nutrition/Institute of Agriculture and Life Science, Gyeongsang National University) ;
  • Kim, In-Soo (Department of Food and Nutrition/Institute of Agriculture and Life Science, Gyeongsang National University) ;
  • Ko, Jun-Cheol (Jeju Fisheries Research Institute, National Institute of Fisheries Science) ;
  • Park, Hye-Jin (Department of Food Science and Nutrition, Changshin University) ;
  • Jeong, Bo-Young (Department of Food and Nutrition/Institute of Agriculture and Life Science, Gyeongsang National University)
  • 문수경 (경상대학교 식품영양학과/농업생명과학연구원) ;
  • 김인수 (경상대학교 식품영양학과/농업생명과학연구원) ;
  • 고준철 (국립수산과학원 제주수산연구소) ;
  • 박혜진 (창신대학교 식품영양학과) ;
  • 정보영 (경상대학교 식품영양학과/농업생명과학연구원)
  • Received : 2017.11.14
  • Accepted : 2017.11.22
  • Published : 2017.12.31
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Abstract

Lipid levels and fatty acid compositions of 20 species of subtropical fish caught off the coast of Jeju Island, Korea were determined. The fish were categorized according to total lipid (TL) content as follows; lean fish ($TL=1.19{\pm}0.32%$, n=10 species), low-fat fish ($TL=3.02{\pm}0.44%$, n=6 species) and medium-fat fish ($TL=6.87{\pm}1.23%$, n=4 species). The prominent fatty acids were saturated fatty acids (SFAs), at 16:0 and 18:0 monounsaturated fatty acids (MUFAs), at 18:1n-9 and 16:1n-7, and polyunsaturated fatty acids (PUFAs), at 22:6n-3, 20:5n-3 and/or 20:4n-6. Across all species, the percentages of PUFAs and SFAs were $38.0{\pm}7.89%$ and $34.3{\pm}3.08%$, respectively, with no significant difference between both groups (P<0.05), but showed higher proportions than that of MUFA group ($27.8{\pm}7.23%$) (P<0.05). The proportion of n-3 PUFAs was $27.1{\pm}8.68%$ across all fish species, similar to levels in other fishes from Korea. These results suggest that subtropical fish from Jeju Island are a good source of n-3 PUFAs for humans.

Keywords

References

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