Fatty Acid Compositions of Three Species of Marine Invertebrates

국문 초록 (Abstract)

성게알, 피조개 및 개불의 총지질(TL)함량은 각각 6.10%, 0.67% 및 0.79%였으며, TL중 인지질(PL)은 성게알(56.2%)보다 개불(72.4%) 및 피조개(64.9%)에 많았다. PL의 주요지질인 포스타티딜콜린(PC)는 성게알(56.2%)에, 그리고 포스파티딜에탄올아민 (PE)는 개불(34.4%)에 많았다. 비극성지질의 경우, 성게알은 트리그리세리드 (TG, 89.0%)가, 피조개는 TG(69.2%) 및 유리스테롤 (ST, 26.8%)이, 그리고 개불은 ST(70.7%)이 각각 주성분이었다. 성게알의 주요지방산은 16 : 0, 14 : 0, 20 : 5n-3, 20 : n-6 및 20 : 2NMID(non-methylene interrupted diene)였으며, 20 : 4n-6는 PL의 지방산 조성중 19.8%로써 3종 무척추동물중 가장 높은 함량을 나타냈다. 그러나 22 : 6n-3는 성게알 지질에서는 검출되지 않았다. 피조개의 경우는 16 : 0, 18 : 0, 20 : 5n-3, 22 : 2NMID가 주요지방산이었으며, 특히 22 : 6n-3가 다른 무척추동물의 경우보다 많았다. 한편, 개불의 주요지방산은 20 : 5n-3, 16 : 0, 18 : 0, 20 : 1n-9, 16 : 1n-7 및 14 : 0였으며, 이중 20 : 5n-3, 16 : 0, 18 : 0, 20 : 1n-9, 16 : 1n-7 및 14 : 0였으며, 이중 20 : 5n-3는 PL에서 22.0%를 타나내어 3종 무척추동물중 가장 높은 함량을 보였다. 이들 3종 해산 무척추동물의 지질조성에서의 차이는 그들의 식습관 및 환경조건의 차이에 의한 것으로 생각되었다.

다국어 초록 (Multilingual Abstract)

The lipid components of the gonad of sea urchin Hemicentrotus pulcherrimus, ark shell Scapharca broughtonii and “Gaebul” (Korea name, a worm) Urechis unicinctus were investigated. The total lipid(TL) contents of the sea urchin, the ark shell and the “Gaebul” were 6.10, 0.67 and 0.79%, respectively. The percentages of phospholipid(PL) in TL were higher in the “Gaebul” (72.4%) and ark shell(64.9%) compared to the sea urchin (41.7%). The major lipid classes of PL were phosphatidylcholine and phosphatidylethanolamine, and the former was rich in the sea urchin (56.2%) and the latter in the “Gaebul” (34.4%). In the class of non-polar lipid (NL), the major lipid classes were different from species ; the sea urchin was rich in triglyceride(TG, 89.0%), the ark shell rich in TG (69.2%) and cholesterol (ST. 26.8%) and the “Gaebul” rich in ST(70.7%). The prominent fatty acids of the sea urchin were 16 : 0, 14 : 0, 20 : 5n-3, 20 : 4n-6 and 20 : 4n-6 and 20 : 2NMID(non-methylene interupted dien). The percentage of 20 : 4n-6 was the highest of the investigated invertebrates, accounting for 19.8% in PL, but 22 : 6n-3 was not detected in the sea urchin. In case of the ark shell, the prominent fatty acids were 16 : 0, 18 : 0, 20 : 5n-3, 22 : 6n-3 and 22 : 2NMID, especially 22 : 6n-3(9.58%) was richer compared to that of the “Gaebul”. The prominent fatty acids of the “Gaebul” were 20 : 5n-3, 16 : 0, 18 : 020 : 1n-9, 16 : 1n-7 and 14 : 0. The percentage of 20 : 5n-3 (22.0%) was highest in the PL of the “Gaebul” among the three invertebrates. These differences in the lipid components of all the sample is considered to be due to the different food habits and environmental condition of the invertebrates.

목차 (Table of Contents)

• Abstract
  
• INTRODUCTION
  
• MATERIALS AND METHODS
  
• RESULTS AND DISCUSSION
  
• REFERENCES
  
• 요약