REACTION CONDITIONS FOR THE PRODUCTION OF GAMMA-CYCLODEXTRIN BY CYCLODEXTRIN GLUCANOTRANSFERASE FROM BREVIBACTERIUM SP NO-9605

被引:22
作者
MORI, S [1 ]
GOTO, M [1 ]
MASE, T [1 ]
MATSUURA, A [1 ]
OYA, T [1 ]
KITAHATA, S [1 ]
机构
[1] OSAKA MUNICIPAL TECH RES INST, JYOTO KU, OSAKA 536, JAPAN
关键词
D O I
10.1271/bbb.59.1012
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The reaction conditions for gamma-CD production by a purified CGTase from Brevibacterium sp. No. 9605 mere investigated. The optimum pH and temperature for gamma-CD formation mere 7.0 and 50 degrees C, respectively. The addition of calcium ion increased heat stability of the CGTase and the CDs formation was affected by the concentration of calcium ion. In the presence of ethanol, the yield of gamma-CD from soluble starch was increased.
引用
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页码:1012 / 1015
页数:4
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