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Biovalorisation of agro-industrial wastes into astaxanthin by Xanthophyllomyces dendrorhous.
Kanwugu, Osman N; Ibn-Wuni, Ibrahim; Shevyrin, Vadim A; Williams, Thomas C; Glukhareva, Tatiana V.
Afiliación
  • Kanwugu ON; Institute of Chemical Engineering, Ural Federal University Named After the First President of Russia B.N. Yeltsin, Mira Street 28, 620002, Yekaterinburg, Russia. nabayire@gmail.com.
  • Ibn-Wuni I; School of Natural Sciences, and ARC Centre of Excellence in Synthetic Biology, Macquarie University, Sydney, NSW, 2109, Australia. nabayire@gmail.com.
  • Shevyrin VA; Institute of Chemical Engineering, Ural Federal University Named After the First President of Russia B.N. Yeltsin, Mira Street 28, 620002, Yekaterinburg, Russia.
  • Williams TC; Institute of Chemical Engineering, Ural Federal University Named After the First President of Russia B.N. Yeltsin, Mira Street 28, 620002, Yekaterinburg, Russia.
  • Glukhareva TV; School of Natural Sciences, and ARC Centre of Excellence in Synthetic Biology, Macquarie University, Sydney, NSW, 2109, Australia.
Appl Microbiol Biotechnol ; 108(1): 429, 2024 Jul 27.
Article en En | MEDLINE | ID: mdl-39066896
ABSTRACT
Astaxanthin is a red xanthophyll with high economic and industrial value in the pharmaceutical, nutraceutical, cosmetic and food industries. In recent years, the biotechnological production of astaxanthin has attracted much attention as a sustainable alternative to the predominating petrochemical-dependent chemical synthesis. In this regard, Xanthophyllomyces dendrorhous is regarded as a promising microorganism for industrial production of astaxanthin. Unfortunately, biotechnological production of the carotenoid is currently expensive. The present study investigated soy molasses (SM) and residual brewers' yeast as cheap fermentation feedstocks for the cultivation of X. dendrorhous and astaxanthin production. Yeast extract was obtained from residual brewers' yeast using various techniques and then combined with SM to formulate a two-component growth medium which was subsequently used to cultivate X. dendrorhous. Generally, the yeast extract produced from residual brewers' yeast supported X. dendrorhous growth and astaxanthin production at levels comparable to those seen with commercial yeast extract. Overall, cultivating X. dendrorhous in an SM-based medium containing 5% SM and 0.2% yeast extract obtained from residual brewers' yeast resulted in significantly higher (> 20% more) biomass accumulation compared to the control media (YPD). A similar slightly higher astaxanthin output (up to 14% more) was recorded in the SM-based medium compared to YPD. The formulated cultivation medium in this study provides an opportunity to reduce the production cost of astaxanthin from X. dendrorhous while simultaneously reducing the environmental impact related to the disposal of the industrial waste used as feedstock. KEY POINTS • Cheap culture media were formulated from soy molasses and brewers' spent yeast • The formulated medium resulted in at least 20% more biomass than the control • Up to 14% more astaxanthin was produced in molasses-based medium.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Basidiomycota / Melaza / Medios de Cultivo / Xantófilas / Fermentación / Residuos Industriales Idioma: En Revista: Appl Microbiol Biotechnol Año: 2024 Tipo del documento: Article País de afiliación: Rusia Pais de publicación: Alemania
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Basidiomycota / Melaza / Medios de Cultivo / Xantófilas / Fermentación / Residuos Industriales Idioma: En Revista: Appl Microbiol Biotechnol Año: 2024 Tipo del documento: Article País de afiliación: Rusia Pais de publicación: Alemania