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Degradation of sodium metamizole by enzymatic extracts from some white rot fungi

Mayorga Santis, Rosario [autora] | Sánchez, José E [autor, autor] | Gutiérrez Hernández, Rubén Fernando [autor] | Calixto Romo, María de los Ángeles [autor].
Tipo de material: Artículo en línea Artículo en línea Tipo de contenido: Texto Tipo de medio: Computadora Tipo de portador: Recurso en líneaTema(s): Hongos | Metamizole de sodio | Medicamentos | Enzimas ligninolíticas | BiorremediaciónTema(s) en inglés: Fungi | Metamizole sodium | Drugs | Ligninolytic enzymes | BioremediationNota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso En: Sydowia. Volumen 69 (2017), páginas 205-214. --ISSN: 0082-0598Número de sistema: 6762Resumen:
Inglés

White rot fungi are known for their highly efficient ability to degrade environmental pollutants, such as pharmaceuticals. We investigated the ability of enzymatic extracts from Auricularia fuscosuccinea, Lentinula edodes, Ganoderma lucidum, Agrocybe aegerita, Pleurotus ostreatus, P. djamor and P. eryngii to degrade the analgesic drug metamizole. The formation of 4-MAA and 4-AA metabolites was also monitored. Total degradation of 50 mg l-1 of the drug was achieved with the extract obtained from A. fuscosuccinea ECS-210 within three days. Under the best conditions (pH 5.6, 35 °C and 110 rpm), the degradation profile followed the behavior of pseudo-first order kinetics with a coefficient k = 0.0779 L mg-1h-1. The enzymatic activity tests showed evidence for the presence of laccases, lignin peroxidases and phenoloxidases.

Recurso en línea: http://dx.doi.org/10.12905/0380.sydowia69-2017-0205
Lista(s) en las que aparece este ítem: José Ernesto Sánchez Vázquez
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Disponible para usuarios de ECOSUR con su clave de acceso

White rot fungi are known for their highly efficient ability to degrade environmental pollutants, such as pharmaceuticals. We investigated the ability of enzymatic extracts from Auricularia fuscosuccinea, Lentinula edodes, Ganoderma lucidum, Agrocybe aegerita, Pleurotus ostreatus, P. djamor and P. eryngii to degrade the analgesic drug metamizole. The formation of 4-MAA and 4-AA metabolites was also monitored. Total degradation of 50 mg l-1 of the drug was achieved with the extract obtained from A. fuscosuccinea ECS-210 within three days. Under the best conditions (pH 5.6, 35 °C and 110 rpm), the degradation profile followed the behavior of pseudo-first order kinetics with a coefficient k = 0.0779 L mg-1h-1. The enzymatic activity tests showed evidence for the presence of laccases, lignin peroxidases and phenoloxidases. eng

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