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Influence of water activity on growth and activity of Aspergillus niger for glycoamylase production in solid-state fermentation

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Abstract

Growth of Aspergillus niger and glucoamylase production correlated well with the water activity of the substrate (wheat bran plus corn flour) in a solid-state fermentation. Both were maximal at an initial water activity of 0.936. Glycoamylase reached 550 units/g dry substrate after 96 h.

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References

  • Gervais, P. 1990 Water activity: a fundamental parameter of metabolic production by microorganisms. Applied Microbiology and Biotechnology 33, 72–75.

    Google Scholar 

  • Pandey, A. 1990 Improvements in solid state fermentation for glucoamylase production. Biological Wastes 34, 11–19.

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  • Pandey, A. 1992 Recent process developments in solid state fermentation. Process Biochemistry 27, 109–117.

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  • Sakurai, Y., Lee, T.H. & Shiota, H. 1977 On the convenient method for glucosamine estimation in koji. Agricultural and Biological Chemistry 41, 619–624.

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The authors are with the Biotechnology Unit, Regional Research Laboratory, CSIR, Trivandrum-695 019, India

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Pandey, A., Ashakumary, L., Selvakumar, P. et al. Influence of water activity on growth and activity of Aspergillus niger for glycoamylase production in solid-state fermentation. World J Microbiol Biotechnol 10, 485–486 (1994). https://doi.org/10.1007/BF00144481

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  • DOI: https://doi.org/10.1007/BF00144481

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