Research Article

**Enhancement of Cyclodextrin Glucanotransferase Production by Bacillus G1 using Different Fermentation Modes**

H.M. Ibrahim, W.M.W. Yusoff, A.A. Hamid and O. Omar

The objective of this study was to enhance the production of Cyclodextrin glucanotransferase (CGTase) produced by a local isolate Bacillus G1. CGTase produced in an optimized medium using different fermentation modes was investigated. The performance of batch mode, continuous mode and fed-batch mode was achieved in 5 L-stirred tank fermenter. Maximum CGTase production (77.49 U mL^-1) was achieved in fed-batch fermentation with 23.7% improvement compared to batch fermentation (62.63) and 16.6% improvement compared to continuous fermentation (66.47). CGTase productivity in fed-batch fermentation (1.6 U/mL/h) improved by 14.3% compared to that obtained by continuous fermentation (1.4 U/mL/h) and 23.1% improvement compared to batch fermentation (1.3 U/mL/h).

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H.M. Ibrahim, W.M.W. Yusoff, A.A. Hamid and O. Omar, 2010. Enhancement of Cyclodextrin Glucanotransferase Production by Bacillus G1 using Different Fermentation Modes. Biotechnology, 9: 506-512.

DOI: 10.3923/biotech.2010.506.512

URL: https://scialert.net/abstract/?doi=biotech.2010.506.512

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Authors

H.M. Ibrahim

W.M.W. Yusoff

A.A. Hamid

O. Omar

Keywords

Research Article

**Enhancement of Cyclodextrin Glucanotransferase Production by Bacillus G1 using Different Fermentation Modes**

How to cite this article

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