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KMID : 0903519780210020103
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
1978 Volume.21 No. 2 p.103 ~ p.108
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Studies on Acid - stable Alpha - amylase
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Abstract
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Acid-stable α-amylase was partially purified from Paecilomyces subglobosum by Sephadex G-150 gel filtration. About 7.7-fold purification was obtained and the partially purified preparation has 5.0 U of αamylase activity per ㎎ of protein. Using this partially purified α-amylase, general properties were studied and it showed the maximal activities at the conditions of pH 4.0 and 38℃. High stability of the acid-stable α-amylase in acidic condition was observed, whereas thermal stability was similar to the conventional α-amylase.
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KEYWORD
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