Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Statistical-Based Bioprocess Optimization of Amylase Production from Halophilic Bacillus sp. H7.

Version 1 : Received: 17 March 2021 / Approved: 18 March 2021 / Online: 18 March 2021 (12:22:42 CET)

How to cite: Bandal, J.; Tile, V.; Sayyed, R.Z.; Jadhav, H.; Azelee, N.I.W.; Danish, S.; Datta, R. Statistical-Based Bioprocess Optimization of Amylase Production from Halophilic Bacillus sp. H7.. Preprints 2021, 2021030480 (doi: 10.20944/preprints202103.0480.v1). Bandal, J.; Tile, V.; Sayyed, R.Z.; Jadhav, H.; Azelee, N.I.W.; Danish, S.; Datta, R. Statistical-Based Bioprocess Optimization of Amylase Production from Halophilic Bacillus sp. H7.. Preprints 2021, 2021030480 (doi: 10.20944/preprints202103.0480.v1).

Abstract

Using the above results from RMS analysis the optimum values were predicted for the independent significant variables (Figure 3) the optimized levels of these variables in combination with other media variables the maximum production was predicted to be 199.90 U/mL. The predicted data were validated through confirmatory experiments performed in triplicates. A 1.29-fold increase in amylase activity against un-optimized (OVAT) medium was achieved in the present study authenticating the efficacy of RSM in process optimization (Figure 4). 2.6 Model validation and scale-up at laboratory scale (5L) bioreactor Once the parameters were standardized in the shake-flasks culture, the experiment was scaled-up to a laboratory-scale bioreactor (5 L). The yield of amylase increased by 1.01 fold (205.69 U/mL), it could be possible because the enzyme production in a bioreactor is higher than in shake-flasks culture as the various critical variable factors such as the dissolved oxygen (DO) and the pH can be optimally controlled at the desired levels [22].

Subject Areas

Amylase; Bacillus sp. H7; Optimization; Production; Response surface method

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