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KMID : 1007519950040040285
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Food Science and Biotechnology
1995 Volume.4 No. 4 p.285 ~ p.289
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Production of β- Mannanase by an Alkali - tolerant Bacillus sp. YA - 14
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BAI, DONG HOON
Yu, Ju Hyun/Min, Do Sik/Chung, Yong Joon
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Abstract
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A strain of alkali-tolerant Bacillus sp. YA-14 was isolated from soil. The strain was capable of producing a large amount of the extracellular β-mannanase. The optimum cultivation temperature and pH for enzyme production were 37℃ and 9.2, respectively, with the optimum production medium composed of 1% locust bean gum, 1% polypeptone, 0.5% NaCl, 0.1% K₂HPO₄, 0.02% MgS0₄.7H₂O, and 0.2% Na₂C0₃. β-Mannanase from Bacillus sp. YA-14 was induced by β-mannan but not by glucose under catabolite repression.
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