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Process development and techno-economic analysis of co- production of colorants and enzymes valuing agro-industrial citrus waste

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Autor(es):
Lima, Caio A. ; Bento, Heitor B. S. ; Picheli, Flavio P. ; Paz-Cedeno, Fernando R. ; Mussagy, Cassamo U. ; Masarin, Fernando ; Acosta, Mario A. Torres ; Santos-Ebinuma, Valeria C.
Número total de Autores: 8
Tipo de documento: Artigo Científico
Fonte: SUSTAINABLE CHEMISTRY AND PHARMACY; v. 35, p. 13-pg., 2023-10-01.
Resumo

Valorization of waste generated during industrial process has gained considerable attention in re-cent years. The citrus industry produces high amount of waste that can be used to obtain biomole-cules with significant economic value. This study aims to investigate the potential of citrus by-product (CB) as carbon source for the co-production of red colorants (RC) and enzymes by the fil-amentous fungi Talaromyces amestolkiae in submerged cultivation using an orbital shaker. The microorganism was able to metabolize the CB employing their sugars as carbon source to the pro-duction of RC achieving a colorant yield of 0.016 g.L-1h-1 for batch when the culture media was supplemented with glucose and glutamate monosodium. Alongside the production of colorants, the microorganism also produced enzymes, including endo-glucanases, xylanase, and & beta;-glucosidase (with the latter being the most abundantly produced, specifically 2.8 U/mL). Al-though the economic analysis of the process indicated that further improvements are required to make the current production of this colorant economically viable, especially if citrus waste is uti-lized as the main source material. Considering a biorefinery approach, the results achieved in this study are quite promising, given the generation of high commercial value commodities, such as natural colorants and enzymes, using citrus by-product. (AU)

Processo FAPESP: 21/06686-8 - Processo biotecnológico visando o desenvolvimento de colorantes naturais microbianos para aplicação industrial: fase II
Beneficiário:Valéria de Carvalho Santos Ebinuma
Modalidade de apoio: Auxílio à Pesquisa - Programa BIOEN - Jovens Pesquisadores - Fase 2
Processo FAPESP: 14/01580-3 - Processo biotecnológico visando o desenvolvimento de novos colorantes naturais microbianos para aplicação industrial
Beneficiário:Valéria de Carvalho Santos Ebinuma
Modalidade de apoio: Auxílio à Pesquisa - Jovens Pesquisadores
Processo FAPESP: 19/15493-9 - Desenvolvimento de hidrogéis eletrocondutivos baseados em líquidos iônicos
Beneficiário:Valéria de Carvalho Santos Ebinuma
Modalidade de apoio: Auxílio à Pesquisa - Regular
Processo FAPESP: 21/09175-4 - Biorrefinaria como uma plataforma para a produção de colorantes fúngicos
Beneficiário:Fernanda de Oliveira
Modalidade de apoio: Bolsas no Brasil - Pós-Doutorado