Indigo dye production by enzymatic mimicking based on an iron(III)porphyrin

• Tipo: Artigo em Revista Científica Internacional
• Data: 2014

Autores

Susana L H Rebelo (Autor) Outra; Margarida Linhares (Autor) Outra; Mario M Q Simoes (Autor) Outra; Artur M S Silva (Autor) Outra; Graca G P M S Neves (Autor) Outra; Jose A S Cavaleiro (Autor) Outra; Cristina Freire (Autor) FCUP

Revista

Título: Journal of Catalysis

Vol. 315

Páginas: 33-40

ISSN: 0021-9517

Editora: Elsevier

Indexação

ISI Web of Knowledge - 7 Citações

Scopus - 3 Citações

Classificação Científica

FOS: Ciências da engenharia e tecnologias > Engenharia química

Outras Informações

ID Authenticus: P-009-DX5

DOI: 10.1016/j.jcat.2014.04.012

Abstract (EN): A novel indigo synthesis is based on a simple and cost-effective model system of the enzymes involved in the natural and biocatalytic productions. The method considers the oxidation of indole by hydrogen peroxide, being catalyzed by an iron(III)porphyrin in ethanol, as solvent, and no other additives. The yields of indigo and of the other oxidized indolinoid derivatives were found to be dependent on the metalloporphyrin system used and on the control of the oxidation conditions. Significant reductions of the environmental impact relatively to the present industrial production and of the costs relatively to the biocatalytic methodologies were obtained. The enhanced indigo production in the presence of the iron(III)porphyrin-ethanol catalytic system relatively to the manganese(III)porphyrin-acetonitrile system can be rationalized by the formation of different active species in the two systems.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 8