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KMID : 0366119730010010037
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Korean Journal of Applied Microbiology & Bioengineering
1973 Volume.1 No. 1 p.37 ~ p.42
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Studies on Inulin hydrolyzing enzyme produced by Aspergillus sp. (C-74 strain)
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權泰鍾/Kwon, T.J.
鄭鎬權/姜孝源/徐正塤/Chung, H.K./Kang, H.W./Seu, J.H.
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Abstract
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With an attempt to obtain an Inulin hydrolyzing enzyme from microorganism, a strain C- 4 belonging to the genus of Aspergillus species was selected from two hundred and seventy microorganisms stored at the lab, of microbiology.
1. Sample Inulase was precipitated mainly at pH 8 to 5 by isoelectric point fraction method.
2. The optimum pH of Inulase activity of the enzyme from C-74 strain was about 3.0
3. The optimum temperature of Inulase activity of the enzyme from C-74 strain was about 55℃
4. The Inulase from C-74 strain was stable at 50℃ for 10mins.
5. The range of the pH stability of the Inulase from C-74 strain was about 2.5-4.5.
6. Effect of metal ions on the Inulase activity of the enzyme from C-74 strain was activated by Mg^(++), Sb^(+++) and inhibited by Ag^(++), Hg^(++)
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