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Experimental design and solid state fermentation: A holistic approach to improve cultural medium for the production of fungal secondary metabolites

Abstract : Solid-state fermentation (SSF) is a cultural method that holds tremendous potentials for the production of numerous microbial value-added compounds in various industries. As for every other process, experimental designs can provide tools to improve the product yields, diminish the production time and thus eventually decreasing the cost of the whole process. However, SSF, because of its solid nature, implies some constraints which consequently require specific tools to efficiently overcome them. The aim of this study was the improvement of the production of antioxidant naphtho-gamma-pyrones produced by Aspergillus niger G131 cultivated using SSF. Two experimental designs were presented, a combined design, taking into account two different types of variables to determine a proper solid medium, and a screening design with mixed-level factors to find solutes with significant positive effects on the output.
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Submitted on : Wednesday, November 21, 2018 - 4:51:02 PM
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Quentin Carboué, Magalie Claeys-Bruno, Isabelle Bombarda, Michelle Sergent, Jérôme Jolain, et al.. Experimental design and solid state fermentation: A holistic approach to improve cultural medium for the production of fungal secondary metabolites. Chemometrics and Intelligent Laboratory Systems, Elsevier, 2018, 176, pp.101 - 107. ⟨10.1016/j.chemolab.2018.03.011⟩. ⟨hal-01930229⟩

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