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Screening of kojic acid-producing strain and optimization of fermentation processing

MA Wei-chao

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Abstract

A high kojic acid producing mutant QA97.14 was screened out from an Aspergillus orgaze strain QA96.8 using UV mutation technique.The optimal medium contains glucose 10%,corn starch 10%,yeast extract 0.5%,KH2PO4 0.1%,MgSO4 0.05%.The strain produced 18.13 g/L kojic acid at 30℃ in 8 days under an optimal medium by shaking flask.The yield of kojic acid increased by 3.78 times contrasted to the initial?

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What this paper is about

A high kojic acid producing mutant QA97.14 was screened out from an Aspergillus orgaze strain QA96.8 using UV mutation technique.The optimal medium contains glucose 10%,corn starch 10%,yeast extract 0.5%,KH2PO4 0.1%,MgSO4 0.05%.The strain produced 18.13 g/L kojic acid at 30℃ in 8 days under an optimal medium by shaking flask.The yield of kojic acid increased by 3.78 times contrasted to the initial?

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Available abstract

A high kojic acid producing mutant QA97.14 was screened out from an Aspergillus orgaze strain QA96.8 using UV mutation technique.The optimal medium contains glucose 10%,corn starch 10%,yeast extract 0.5%,KH2PO4 0.1%,MgSO4 0.05%.The strain produced 18.13 g/L kojic acid at 30℃ in 8 days under an optimal medium by shaking flask.The yield of kojic acid increased by 3.78 times contrasted to the initial?

Key concepts: Kojic acid, Corn starch, Strain (injury), Fermentation, Yield (engineering), Chemistry, Yeast extract, Starch

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