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Crude enzymatic broth from lipoliptic fungi for the production of metylic esters

dc.contributor.authorBessa, Dâmaris Hadassa Rangel Fonseca
dc.contributor.authorFlumignan, Danilo Luiz [UNESP]
dc.contributor.authorSouza, Amanda Oliveira
dc.contributor.authorGonçalves, Mariana Costa Mello
dc.contributor.authorCastro, Carlos Frederico de Souza
dc.contributor.institutionCiência e Tecnologia Goiano (IFG)
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)
dc.contributor.institutionCiência e Tecnologia do Mato Grosso (IFMT)
dc.contributor.institutionColégio Estadual Alfredo Nasser
dc.date.accessioned2023-03-01T20:29:17Z
dc.date.available2023-03-01T20:29:17Z
dc.date.issued2022-07-01
dc.description.abstractBiodiesel, derived from vegetal and animal prime matter, is a renewable fuel that has recently been highlighted as a possible replacement for fossil fuels, especially diesel. Biodiesel is obtained by transesterification or esterification, where lipases which may be synthesized by lipolytic fungi used as catalysts. Current research analyzes the prospection of lipolytic enzymes in fungi and employed crude enzymatic broth to produce biodiesel. The growth of fungi occurred in a mineral medium with a single carbon source: extra-virgin olive oil. Crude broth was analyzed by spectrophotometry using p-NPB as substrate to quantify lipases. Crude broth produced was employed without any modification with different proportions of a central plan composed of soybean and methanol for the production of methyl esters analyzed in gas chromatography. Fungi Paecilomyces formosus (Sakag. & Tada & Samson) I, Paecilomyces formosus II and Aspergillus tubingensis Mos. respectively produced a specific lipolytic activity of 9.268 U g-1, 7.032 U g-1 and 6.447 U g-1. From the crude broth directly used for the production of biodiesel, a rate of 41.60% of methyl esters was obtained. Results show that the fungi´s lipases are active and, when applied directly in the crude broth medium, transesferification is possible with greater rates than those reported in the literature. In fact, the lipase has relevant industrial potential.en
dc.description.affiliationPrograma de Pós-graduação em Agroquímica (PPGAq) Instituto Federal de Educação Ciência e Tecnologia Goiano (IFG), GO
dc.description.affiliationPrograma de Pós-Graduação em Química Universidade Estadual Paulista Júlio de Mesquita Filho, Campus Cuiabá MT
dc.description.affiliationInstituto Federal de Educação Ciência e Tecnologia do Mato Grosso (IFMT), Campus Cuiabá MT
dc.description.affiliationColégio Estadual Alfredo Nasser, GO
dc.description.affiliationEnsino Básico Técnico e Tecnológico Instituto Federal de Educação Ciência e Tecnologia Goiano (IFG), GO
dc.description.affiliationUnespPrograma de Pós-Graduação em Química Universidade Estadual Paulista Júlio de Mesquita Filho, Campus Cuiabá MT
dc.identifierhttp://dx.doi.org/10.17765/2176-9168.2022v15n3e9279
dc.identifier.citationRevista em Agronegocio e Meio Ambiente, v. 15, n. 3, 2022.
dc.identifier.doi10.17765/2176-9168.2022v15n3e9279
dc.identifier.issn2176-9168
dc.identifier.issn1981-9951
dc.identifier.scopus2-s2.0-85136641169
dc.identifier.urihttp://hdl.handle.net/11449/240706
dc.language.isopor
dc.relation.ispartofRevista em Agronegocio e Meio Ambiente
dc.sourceScopus
dc.subjectEnzymes
dc.subjectPaecilomyces formosus
dc.subjectRenewable energy
dc.subjectSubmersed fermentation
dc.titleCrude enzymatic broth from lipoliptic fungi for the production of metylic estersen
dc.titleObtenção de caldo bruto enzimático a partir de fungos lipolíticos para a produção de ésteres metílicospt
dc.typeArtigo
dspace.entity.typePublication

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