Science and Technology of Food Industry

ISSN 1002-0306
CN   11-1759/TS
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Establishment of a kinetic model for γ-polyglutamic acid with batch fermentation[J]. Science and Technology of Food Industry, 2013, (16): 174-177. DOI: 10.13386/j.issn1002-0306.2013.16.037
Citation: Establishment of a kinetic model for γ-polyglutamic acid with batch fermentation[J]. Science and Technology of Food Industry, 2013, (16): 174-177. DOI: 10.13386/j.issn1002-0306.2013.16.037
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Establishment of a kinetic model for γ-polyglutamic acid with batch fermentation

    Abstract
  • With high yield γ-PGA strain Bacillus subtilis HCUL-B115 as experimental strain, batch fermentation in 5L fermenter.The concentration of cell, residual glutamic acid and sugar content, γ-poly glutamic acid were determined in the process of fermentation.The kinetic models for cell growth, poly γ-glutamic acid production and substrate consumption were proposed with MATLAB software.The results showed that the models could provide a reasonable description for the batch fermentation of poly γ-glutamic acid.
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