Effect of C/N ratio and physicochemical conditions on the production of rhamnolipids by pseudomonas aeruginosa LBI

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorLovaglio, R. B.-
Autor(es): dc.creatorCosta, S. G.V.A.O.-
Autor(es): dc.creatorLima, C. J.B.-
Autor(es): dc.creatorCortezi, M.-
Autor(es): dc.creatorJonas, Contiero-
Data de aceite: dc.date.accessioned2025-08-21T22:28:15Z-
Data de disponibilização: dc.date.available2025-08-21T22:28:15Z-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2010-08-01-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/226029-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/226029-
Descrição: dc.descriptionWaste utilization for biosurfactant production is an important approach contributing to the reduction of waste treatment costs, while increasing the economic value of residues and reducing biosurfactant production costs. In an attempt to optimize rhamnolipid production by Pseudomonas aeruginosa LBI, the effects of the oil refinery waste as carbon source, C/N ratio, agitation Speed, aeration rate, pH control and fed-batch culture conditions on the production of this biosurfactant were assessed in a bioreactor. Maximum production (16.9 g L ) was attained at a C/N ratio of 23, agitation at 800 rpm and aeration at 2.0 vvm. The rhamnolipid solution (0.1%, w/v) exhibited surface and interface tensions of 25 mN/m and 0.63 mN/m respectively. The critical micelle concentration (CMC) wds 73,9 mg L-1. The optimal parameters used in this study promoted the formation of a useful biosurfactant with potential for many industrial applications.-
Descrição: dc.descriptionUnesp-Univ Estadual Paulista Department of Biochemistry and Microbiology São Paulo State University, Rio Claro, Av. 24-A, 1515 Bela Vista, CEP 13506-900, Rio Claro, SP-
Descrição: dc.descriptionUnesp-Univ Estadual Paulista Department of Biochemistry and Microbiology São Paulo State University, Rio Claro, Av. 24-A, 1515 Bela Vista, CEP 13506-900, Rio Claro, SP-
Formato: dc.format19-24-
Idioma: dc.languageen-
Relação: dc.relationResearch Journal of Biotechnology-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectAeration rate and agitation speed-
Palavras-chave: dc.subjectC/n ratio-
Palavras-chave: dc.subjectRhamnolipids-
Palavras-chave: dc.subjectSoapstock-
Título: dc.titleEffect of C/N ratio and physicochemical conditions on the production of rhamnolipids by pseudomonas aeruginosa LBI-
Tipo de arquivo: dc.typelivro digital-
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