Food Science and Biotechnology

Korean Society of Food Science and Technology (한국식품과학회)
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Regional Difference in Fatty Acid Content of Korean Shellfish

  • Surh, Jeong-Hee (Department of Food and Nutrition, College of Health and Welfare, Kangwon National University) ;
  • Lee, Hae-Jeung (Center for Nutrition Policy & Promotion, Korea Health Industry Development Institute) ;
  • Kwon, Hoon-Jeong (Department of Food and Nutrition, Seoul National University)
  • Published : 2009.04.30
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Abstract

Regional variation in the fatty acid content of shellfish was investigated on 5 species of Korean shellfish including murex shell, ark shell, jack-knife clam, orient hard clam, and little neck clam that were originated from 2 geographically different regions in Korea (Region 1: South coast, $34-35^{\circ}N$, $127-129^{\circ}E$; Region 2: West coast, $36-38^{\circ}N$, $126-127^{\circ}E$). Significant regional difference in total fatty acids content was observed in murex shell and little neck clam (p<0.01), but not in the other species of shellfish. The contents of saturated fatty acids, monounsaturated fatty acids, and polyunsaturated fatty acids including n-3 and n-6 fatty acids were appreciably higher in murex shell from Region 2 and in little neck clam from Region 1 than the shellfish originated from their counterpart areas (p<0.05). Nevertheless, relative percentages of the fatty acids remained constant within same species regardless of geographic regions or species. Considering the facts of that the fish/shellfish are unique sources of n-3 fatty acids and a little neck clam is the most-consumed shellfish in Korea, n-3 fatty acids intake might vary with the habitat of the shellfish that Koreans consume.

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References

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