Regional Difference in Fatty Acid Content of Korean Shellfish
2009
Surh, J.H., Kangwon National University, Samcheok, Republic of Korea | Lee, H.J., Korea Health Industry Development Institute, Seoul, Republic of Korea | Kwon, H.J., Seoul National University, Seoul, Republic of Korea
Regional variation in the tatty acid content of shellfish was investigated oil 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 ill Korea (Region 1: South coast, 34-35°N, 127-129°E; Region 2: West coast, 36-38°N, 126-127°E). Significant regional difference in total fatty acids content was observed in murex shell and little neck clam (p less than 0.01), but not in the other species of shellfish. The contents of saturated fatty acids, monounsaturated fatty acids, and polyunsaturated Catty 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 I than the shellfish originated from their counterpart areas (p less than 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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