Bibliographic citations
Montoya, M., Tataje, J. (2004). Biotransformación del naproxeno con Aspergillus niger y evaluación de la actividad antiinflamatoria de los compuestos formados [Tesis, Universidad Nacional Mayor de San Marcos]. https://hdl.handle.net/20.500.12672/957
Montoya, M., Tataje, J. Biotransformación del naproxeno con Aspergillus niger y evaluación de la actividad antiinflamatoria de los compuestos formados [Tesis]. PE: Universidad Nacional Mayor de San Marcos; 2004. https://hdl.handle.net/20.500.12672/957
@misc{renati/476852,
title = "Biotransformación del naproxeno con Aspergillus niger y evaluación de la actividad antiinflamatoria de los compuestos formados",
author = "Tataje Mego, Janneth Marisol",
publisher = "Universidad Nacional Mayor de San Marcos",
year = "2004"
}
-- The Biotransformation of Naproxen [(S)-6-methoxy-α-methyl-2- naphtaleneacetic acid ], was performed using a microorganism Aspergillus niger, wich has knowed ability of hydroxylate aromatic rings. This biotechnological process was conduced in a liquid culture in optimum conditions for development of the microorganism.Two main metabolites was gotten: 6-desmethylnaproxen and 7-hydroxy-6 desmethylnaproxen, these were isolated by chromatographic techniques and identified by RMN ( H+ ) Spectroscopy and Mass Spectrometry. The 7-hydroxy-6-desmethylnaproxen was methylated by chemical reaction to 7-metoxhy-6-methylnaproxen and was used the model Carrageenin-induced paw edema to evaluated the pharmacological activity, was used such as standard naproxen, and naproxen sodium. It was determinated that the methylated metabolite has not showed anti-inflammatory activity. Keywords: Biotransformation, Naproxen, Aspergillus niger, Anti-inflammatory activity, 6-desmethylnaproxen, 7-hydroxy-6 desmethylnaproxen, 7-metoxhy-6-methylnaproxen.
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