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Critical importance of moisture content of the medium in alpha-amylase production by Bacillus licheniformis M27 in a solid-state fermentation system.

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Title Critical importance of moisture content of the medium in alpha-amylase production by Bacillus licheniformis M27 in a solid-state fermentation system.
 
Creator Ramesh, M. V.
Lonsane, B. K.
 
Subject 02 Bacteriology
04 Fermentation Technology
 
Description A large reduction (about 30-78%) was seen in production of alpha-amylase by Bacillus licheniformis M27 in standardized wheat bran medium under solid-state fermentation when the moisture content of the medium was higher than the standardized value (65%). A surge in enzyme production in the first 24 h of fermentation was observed in media with 75 and 85% moisture. The role of decreased oxygen transfer in reducing enzyme titres by about 78% in medium containing 95% moisture was evident, since the enzyme titre could be increased by agitating the medium during fermentation. No such limitation in oxygen transfer was evident in medium containing 65% moisture, even when incubated under static conditions or when the flask was capped by aluminium foil. The data indicate the importance of moisture content in the medium for alpha-amylase production by B. licheniformis M27 in solid-state fermentation systems. [From En summ.]
 
Date 1990
 
Type Article
PeerReviewed
 
Format pdf
 
Language en
 
Identifier http://ir.cftri.com/8016/1/Appl%20Microbiol%20Biotechnol%20%281990%29%2033501-505.pdf
Ramesh, M. V. and Lonsane, B. K. (1990) Critical importance of moisture content of the medium in alpha-amylase production by Bacillus licheniformis M27 in a solid-state fermentation system. Applied Microbiology and Biotechnology, 33 (5). 501-505 ; 19 ref..