Solid-State Fermentation Production of α-Galactosidase by Aspergillus niger Zju-Y1

Feng Ying Gu; Jie Gao; Hui Ruan; Qi He Chen; Guo Qing He

doi:10.4028/www.scientific.net/AMR.550-553.662

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 550-553Solid-State Fermentation Production of...

Solid-State Fermentation Production of α-Galactosidase by Aspergillus niger Zju-Y1

Abstract:

The agro-byproduct culture medium for α-galactosidase production by Aspergillus niger zju-Y1 was optimized with flask-SSF via response surface methodology, maximum α-galactosidase yield at the level of 230.159 U/g dry matter was achieved by using wheat bran and soybean meal as culture medium components. Furthermore, based on the flask-SSF results, the three-section-control strategy was developed for scale-up SSF, making fermentation steadily and efficiently, and the α-galactosidase activity hitting to 174.410 U/g dry matter, which is close to the result of flask-SSF. The results demonstrated that a feasible scale-up SSF mode for α-galactosidase production is successfully set up by combining the utilization of agro-byproduct culture medium and three-section-control strategy.

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Periodical:

Advanced Materials Research (Volumes 550-553)

Pages:

662-666

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.550-553.662

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Online since:

July 2012

Authors:

Feng Ying Gu, Jie Gao, Hui Ruan, Qi He Chen, Guo Qing He

Keywords:

Aspergillus niger, Scale-Up, Solid-State Fermentation, Three-Section-Control, α-Galactosidase

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