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Zschätzsch, Marlen [Author]; Steudler, Susanne [Author]; Reinhardt, Olena [Author]; Bergmann, Pia [Author]; Ersoy, Franziska [Author]; Stange, Stephanie [Author]; Wagenführ, André [Author]; Walther, Thomas [Author]; Berger, Ralf Günter [Author]; Werner, Anett [Author]

Production of natural colorants by liquid fermentation with Chlorociboria aeruginascens and Laetiporus sulphureus and prospective applications - [published Version]

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  • Media type: E-Article; Text
  • Title: Production of natural colorants by liquid fermentation with Chlorociboria aeruginascens and Laetiporus sulphureus and prospective applications
  • Contributor: Zschätzsch, Marlen [Author]; Steudler, Susanne [Author]; Reinhardt, Olena [Author]; Bergmann, Pia [Author]; Ersoy, Franziska [Author]; Stange, Stephanie [Author]; Wagenführ, André [Author]; Walther, Thomas [Author]; Berger, Ralf Günter [Author]; Werner, Anett [Author]
  • imprint: Weinheim : Wiley-VCH, 2021
  • Published in: Engineering in Life Sciences 21 (2021), Nr. 3-4 ; Engineering in Life Sciences
  • Issue: published Version
  • Language: English
  • DOI: https://doi.org/10.15488/12297; https://doi.org/10.1002/elsc.202000079
  • Keywords: bioprocess ; biomass ; Prospective applications ; Dyeing ; bioreactor ; xylindein ; surface property ; Optimal results ; fungal enzyme ; Shear stress ; color ; Laetiporus sulphureus ; cultivation ; Incubation time ; natural dye ; liquid ; pigment ; process optimization ; Natural colorants ; Liquid fermentations ; fermentation ; fungus growth ; dye ; industrial production ; [...]
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  • Description: The replacement of potentially hazardous synthetic dyes with natural dyes and pigments are of great interest for a sustainable economy. In order to obtain cost-efficient, environmentally friendly and competitive products, improvements in the cultivation and extraction of pigment-producing organisms and in dyeing processes are necessary. In our study, we were able to scale up the production of xylindein by Chlorociboria aeruginascens from 3 to 70 L bioreactor cultivations. We have identified important bioprocess parameters like low shear stress (150 rpm, tip speed <0.5 m/s) for optimal pigment yield (4.8 mg/L/d). Additionally, we have demonstrated the potential of laetiporic acid production by Laetiporus sulphureus in various cultivation systems and media, achieving dried biomass concentrations of almost 10 g/L with a 7 L bioreactor cultivation after 17 days. Extractions performed at 70°C and 15 min incubation time showed optimal results. To the best of our knowledge, we have described for the first time the use of this pigment in silk dyeing, which results in a brilliant hue that cannot easily be produced by other natural pigments. © 2020 The Authors. Engineering in Life Sciences published by Wiley-VCH GmbH
  • Access State: Open Access
  • Rights information: Attribution (CC BY)