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Thermophilic biocatalysts for one-step conversion of citrus waste into lactic acid

Aulitto, Martina ; Alfano, Alberto ; Maresca, Emanuela ; Avolio, Roberto ; Errico, Maria Emanuela ; Gentile, Gennaro ; Cozzolino, Flora ; Monti, Maria ; Pirozzi, Annachiara ; Donsì, Francesco ; Cimini, Donatella ; Schiraldi, Chiara ; Contursi, Patrizia

Applied microbiology and biotechnology, 2024-12, Vol.108 (1), p.155-155, Article 155 [Periódico revisado por pares]

Berlin/Heidelberg: Springer Berlin Heidelberg

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Título:
Thermophilic biocatalysts for one-step conversion of citrus waste into lactic acid
Autor: Aulitto, Martina ; Alfano, Alberto ; Maresca, Emanuela ; Avolio, Roberto ; Errico, Maria Emanuela ; Gentile, Gennaro ; Cozzolino, Flora ; Monti, Maria ; Pirozzi, Annachiara ; Donsì, Francesco ; Cimini, Donatella ; Schiraldi, Chiara ; Contursi, Patrizia
Assuntos: Acids ; Agribusiness ; Agricultural production ; Agricultural wastes ; Bacillus coagulans ; Bacillus coagulans - metabolism ; Batch culture ; Biocatalysts ; Biodegradation ; Biomedical and Life Sciences ; Biotechnology ; Environmental Biotechnology ; Fermentation ; Food ; Food waste ; Glucose - metabolism ; Lactic acid ; Lactic Acid - metabolism ; Life Sciences ; Microbial Genetics and Genomics ; Microbiology ; Microorganisms ; Probiotics ; Raw materials ; Residues ; Saccharification ; Sustainability ; Sustainable production ; Waste management ; Waste streams
É parte de: Applied microbiology and biotechnology, 2024-12, Vol.108 (1), p.155-155, Article 155
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: Agri-food residues offer significant potential as a raw material for the production of L -lactic acid through microbial fermentation. Weizmannia coagulans , previously known as Bacillus coagulans , is a spore-forming, lactic acid-producing, gram-positive, with known probiotic and prebiotic properties. This study aimed to evaluate the feasibility of utilizing untreated citrus waste as a sustainable feedstock for the production of L -lactic acid in a one-step process, by using the strain W. coagulans MA-13. By employing a thermophilic enzymatic cocktail (Cellic CTec2) in conjunction with the hydrolytic capabilities of MA-13, biomass degradation was enhanced by up to 62%. Moreover, batch and fed-batch fermentation experiments demonstrated the complete fermentation of glucose into L -lactic acid, achieving a concentration of up to 44.8 g/L. These results point to MA-13 as a microbial cell factory for one-step production of L -lactic acid, by combining cost-effective saccharification with MA-13 fermentative performance, on agri-food wastes. Moreover, the potential of this approach for sustainable valorization of agricultural waste streams is successfully proven. Key points • Valorization of citrus waste, an abundant residue in Mediterranean countries. • Sustainable production of the L-( +)-lactic acid in one-step process. • Enzymatic pretreatment is a valuable alternative to the use of chemical. Graphical Abstract
Editor: Berlin/Heidelberg: Springer Berlin Heidelberg
Idioma: Inglês

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Thermophilic biocatalysts for one-step conversion of citrus waste into lactic acid

Aulitto, Martina ; Alfano, Alberto ; Maresca, Emanuela ; Avolio, Roberto ; Errico, Maria Emanuela ; Gentile, Gennaro ; Cozzolino, Flora ; Monti, Maria ; Pirozzi, Annachiara ; Donsì, Francesco ; Cimini, Donatella ; Schiraldi, Chiara ; Contursi, Patrizia

Berlin/Heidelberg: Springer Berlin Heidelberg

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