Bio-based solvents as a sustainable alternative to develop a multiproduct biorefinery process from archaebacteria Halobacterium salinarum R1

This study delves into an innovative biorefinery approach to extract multiple high-value compounds from a single biomass source, Halobacterium salinarum R1, a resilient halophilic microorganism. By using bio-based solvents, namely an aqueous solution of gamma-valerolactone (GVL) and ethanol, a simpl...

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Published in:Green chemistry : an international journal and green chemistry resource : GC 2024-03, Vol.26 (5), p.2793-2806
Main Authors: Kholany, Mariam, Macário, Inês P. E., Veloso, Telma, Contieri, Letícia S., Vaz, Bárbara M. C., Pereira, Joana L., Nunes, Cláudia, Coutinho, João A. P., Rostagno, Maurício A., Ventura, Sónia P. M., de Souza Mesquita, Leonardo M.
Format: Article
Language:English
Subjects:
Aqueous solutions
Archaea
Biorefineries
Blue economy
Environmental engineering
Ethanol
Green chemistry
Halobacterium salinarum
Pigments
Polysaccharides
Refining
Saccharides
Solvents
Sustainability
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Summary:This study delves into an innovative biorefinery approach to extract multiple high-value compounds from a single biomass source, Halobacterium salinarum R1, a resilient halophilic microorganism. By using bio-based solvents, namely an aqueous solution of gamma-valerolactone (GVL) and ethanol, a simple and efficient pipeline approach was developed, recovering unique pigments, including C 50 bacterioruberin, as well as two additional fractions consisting of protein and polysaccharides. The process is based on sustainable engineering and green chemistry principles, providing a viable alternative to replacing non-renewable solvents. The study addresses environmental concerns by employing bio-based solvents while presenting a cost-effective and sustainable solution. This approach contributes to developing a high-performance and sustainable alternative, promoting the development of a blue bioeconomy.
ISSN:1463-9262
1463-9270
DOI:10.1039/D3GC03870J