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  • Title: Optimization of α-amylase production by Bacillus subtilis RSKK96: using the Taguchi experimental design approach.
    Author: Uysal E, Akcan N, Baysal Z, Uyar F.
    Journal: Prep Biochem Biotechnol; 2011; 41(1):84-93. PubMed ID: 21229466.
    Abstract:
    In this study, the Taguchi experimental design was applied to optimize the conditions for α-amylase production by Bacillus subtilis RSKK96, which was purchased from Refik Saydam Hifzissihha Industry (RSHM). Four factors, namely, carbon source, nitrogen source, amino acid, and fermentation time, each at four levels, were selected, and an orthogonal array layout of L(16) (4(5)) was performed. The model equation obtained was validated experimentally at maximum casein (1%), corn meal (1%), and glutamic acid (0.01%) concentrations with incubation time to 72 h in the presence of 1% inoculum density. Point prediction of the design showed that maximum α-amylase production of 503.26 U/mg was achieved under optimal experimental conditions.
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