- Endo- 및 Exo-Inulinase를 이용한 Inulin 가수분해
- Hydrolysis of Inulin by Endo- and Exo-Inulinase
- ㆍ 저자명
- 박선규,최용진
- ㆍ 간행물명
- 산업미생물학회지
- ㆍ 권/호정보
- 1991년|19권 1호|pp.52-56 (5 pages)
- ㆍ 발행정보
- 한국미생물생명공학회
- ㆍ 파일정보
- 정기간행물| PDF텍스트
- ㆍ 주제분야
- 기타
부분 정제한 Pseudomonas spp. Endo-inulinase와 Bacillus spp. Exo-inulinase를 13:1의 비율로 혼합 사용하여 inulin을 가수분해한 결과, 단독으로 사용했을 때에 비해 약 1.6배의 현저한 가수분해율의 상승효과를 얻었다. 혼합효소는 반응온도 $55^{circ}C$, 반응액의 pH 6.0 및 각 0.5mM 농도와 $Mn^{2+}$와 $CO^{2+}$이 존재하는 반응조건하에서 가장 높은 가수분해율을 보였으며 이때 최종 가수분해 산물인 fructose의 생산량은 84를 나타내었다.
Inulin degradation was examined using patially puriiied enzyme mixtures of the Exo-inulinase from a Bacillus spp. and the Endo-inulinase from a Pseudomonas spp.. The highest synergistic xtion of the two cnzymcs was observcd when the Exo- and the Endo-inulinase werc mixed at the ratio of 1 to 13, and the rate of hydrolysis of the above process was enhanced approximately 1.6 times I1ight.1- than that of the reaction catalysed with a single enzyme of the same units. The enzymc mixture showed the maximal activity at pH 6.0 and $55^{circ}C$, and in the prescncc of 0.5 mM each of $CO^{2+}$ and $Mn^{2+}$. Under the optimal condition described above fructosu was accumulated with the overitll concentration of 84% after 36 hours of the reiiction.