Journal of Korea Technical Association of The Pulp and Paper Industry (펄프종이기술)

Korea Technical Association of the Pulp and Paper Industry (한국펄프종이공학회)
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Development of High Efficient Enzymatic Deinking Agent by Microorganism(I) -Isolation and Screening of Bacteria Producing Cellulase and Xylanase-

미생물 효소를 이용한 고효율 효소 탈묵제의 개발(제1보) -Cellulase와 Xylanase를 생산하는 Bacteria의 분리 및 선발-

  • 박성철 (전북대학교 농과대학 산림과학부) ;
  • 강진하 (전북대학교 농과대학 산림과학부) ;
  • 이양수 (전북대학교 농과대학 산림과학부)
  • Published : 2003.03.01
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Abstract

This study was carried out to select the useful bacteria which secret extracellula enzymes for enzymatic deinking agent of old newspaper. CMCase, FPase and xylanase activities of the bacteria liquid culture were measured at optimal growth conditions. Clear zone test was checked on the solid culture. The results of this study were as follow: Eight strains of 28 bacteria isolated from a paper mill soil ground were shown strong CMCase and xylanase activity with the clear zone test. The optimal pH and temperature for culture growth were 6~8 and 26~$34^{\circ}C$, respectively and optimal culture period were less than 60 hours. Based on CMCase, FPase and xylanase activity, strain No. 18, 21, 22 and 28 which were relatively higher than the other strains, were selected for further enzymatic deinking research.

Keywords

References

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