Kinetic Modiling of Cyclodextrin forming Reactionin a Heterogeneous Enzyme Reaction System using Swollen Extrusion Starch

팽윤 Extrusion 전분을 기질로 한 불균일상 효소 반응계에서 Cyclodextrin 생성반응의 수치적 해석

  • 조명진 (경북대학교 자연과학대학 유전공학과) ;
  • 박동찬 (경북대학교 자연과학대학 유전공학과) ;
  • 이용현 (경북대학교 자연과학대학 유전공학과)
  • Published : 1995.08.01


A kinetic model of the cyclodextrin formation in a heterogeneous enzyme reaction system using swollen extrusion starch as substrate was derived emphasing the structural features of extrusion starch. The degree of gelatinization, the ratio of accessible and inaccessible portion of extrusion starch, adsorption of CGTase on swollen starch, the structural transformation during reaction, and product inhibition caused by produced CDs were considered in deriving kinetic model. Various kinetic constants were also evaluated. The derived kinetic equation was numerically simulated, which result showed that the derived kinetic equations can be used to predict the experimental data reasonably well under the various experimental conditions. Kinetic model can be utilized for the optimization of enzyme reactor and the process development for CD production from swollen extrusion starch.



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