Screening New Antihypertensive Angiotensin I-Converting Enzyme Inhibitor -Producing Yeast and Optimization of Production Condition

항고혈압성 안지오텐신 전환효소 저해제를 생산하는 새로운 효모의 선별 및 저해물질 최적 생산조건

  • Kang, Min-Gu (Department of Life Science and Genetic Engineering, Paichai University) ;
  • Kim, Ha-Kun (Department of Life Science and Genetic Engineering, Paichai University) ;
  • Yi, Sung-Hun (Korea Food Research Institute) ;
  • Lim, Sung-Il (Korea Food Research Institute) ;
  • Lee, Jong-Soo (Department of Life Science and Genetic Engineering, Paichai University)
  • Received : 2011.11.08
  • Accepted : 2011.11.14
  • Published : 2011.12.01


Forty eight strains of yeast were cultured in potato dextorse(PD) broth at $30^{\circ}C$ for 24 hr and centrifuged with 12,000 rpm for 20 min. After concentrated the cultures, antihypertensive angiotensin I-converting enzyme(ACE) inhibitory activities of its concentrates were investigated. Among them, the concentrates from Saccharomyces cerevisiae Y183-3 showed the highest ACE inhibitory activity of 71.8%. The ACE inhibitor from Saccharomyces cerevisiae Y183-3 was maximally produced when Saccharomyces cerevisiae Y183-3 cultured in PD broth at $30^{\circ}C$ for 36 hr.

항고혈압 효능이 우수하며 부작용이 없는 새로운 고혈압 예방 소재를 개발하고자 한국 식품연구원에서 분리, 동정한 48종의 효모들의 PD broth 배양 농축물들을 대상으로 angiotensin 전환효소(ACE) 저해활성을 조사하여 활성이 우수한 효모들을 선정한 다음 ACE 저해물질의 생산 최적 조건을 검토하였다. ACE 저해활성은 Saccharomyces cerevisiae Y183-3 균주의 PD broth 배양 농축물이 71.8%의 가장 높은 ACE 저해활성을 보여 최종 우수 균주로 선발하였다. 그리고 이 Y183-3 효모를 $30^{\circ}C$에서 36시간 PD broth에 배양했을 때 ACE 저해물질이 가장 많이 생산되었다.



Supported by : 한국식품연구원


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