The Korean Journal of Malacology (한국패류학회지)

The Malacological Society of Korea (한국패류학회)
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Digestive Enzymatic Compositions and Activities of the Digestive Diverticula in Three Species of Bivalves

이매패류 3종 소화맹낭의 소화효소 구성 및 활성도

  • Ju, Sun-Mi (Department of Aqualife Medicine, Chonnam National University) ;
  • Kwon, O-Nam (Marine Biology Center for Research and Education, Gangnung-Wonju National University) ;
  • Lee, Jung-Sick (Department of Aqualife Medicine, Chonnam National University)
  • 주선미 (전남대학교 수산생명의학과) ;
  • 권오남 (강릉원주대학교 해양생물교육센터) ;
  • 이정식 (전남대학교 수산생명의학과)
  • Received : 2011.11.14
  • Accepted : 2011.12.17
  • Published : 2011.12.31
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Abstract

Digestive enzymatic compositions and activities in digestive diverticula of the three species of bivalves were investigated in this study. Mytilus galloprovincialis, Saxidomus purpuratus and Tegillarca granosa which were collected from southern coast of Korea on November 2010, were used for analysis. Amylase and cellulase occupied approximately 95% of digestive enzymes in digestive diverticula of M. galloprovincialis, S. purpuratus and T. granosa. The amylase and cellulase activities were 2.6 and 0.8 U/mg in M. galloprovincialis, 2.4 and 8.8 U/mg in S. purpuratus and 7.3 and 11.8 U/mg in T. granosa. And protease activities in digestive diverticula of M. galloprovincialis, S. purpuratus and T. granosa showed the lowest values to 0.00019, 0.00028 and 0.00022 U/mg, respectively.

본 연구는 3종의 이매패류를 대상으로 소화맹낭의 소화효소 구성 및 활성도에 대해 조사하였다. 본 연구에 사용된 이매패류는 지중해담치, 개조개 및 꼬막이며, 이들은 한국 남해안에서 2010년 11월에 채집하였다. 지중해담치, 개조개, 꼬막의 소화맹낭을 구성하는 소화효소는 amylase와 cellulase가 약 95%로 대부분을 차지하였다. 소화맹낭에서 amylase와 cellulase 활성도는 지중해담치는 2.6과 0.8 U/mg, 개조개는 2.4와 8.8 U/mg, 꼬막은 7.3과 11.8 U/mg였다. 그리고 소화맹낭의 소화효소 가운데 protease의 활성도는 지중해담치, 개조개, 꼬막에서 각각 0.00019, 0.00028, 0.00022 U/mg로 가장 낮았다.

Keywords

References

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