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Title: | Formulation of a liquid medium with wheat bran for the production of laccase by Trametes versicolor in an air-lift bioreactor |
Authors: | Souza, João Vicente Braga de Silva, Érica M. Cavallazzi, José Renato Pereira Sobrinho, Agostinho da S. |
Keywords: | Copper Sulfate Glucose Laccase Peptone Aeration And Oxygenation Bioreactor Concentration (parameters) Controlled Study Drug Formulation Enzyme Activity Enzyme Synthesis Fermentation Inoculation Liquid Culture Nonhuman Ph Measurement Trametes Versicolor Wheat Bran Trametes Versicolor Triticum Aestivum |
Issue Date: | 2010 |
metadata.dc.publisher.journal: | Journal of Food, Agriculture and Environment |
metadata.dc.relation.ispartof: | Volume 8, Número 1, Pags. 394-396 |
Abstract: | The aim of this work was to formulate a liquid medium with wheat bran for the production of Trametes versicolor laccase in an air-lift bioreactor. Univariated experiments were carried out in order to optimize the contents of CuSO4 (0-2 mM), glucose (0-50 g/L), peptone (0-25 g/L) and fermentation parameters as pH (3-7), inoculum (40-360 mycelium plugs/L) and aeration (0-1 v/v/m). After the optimization an optimized experiment was accomplished (pH 3, inoculum of 40 mycelium plugs/L, CuSO4 concentration of 1.2 mM, 10 g/L of peptone and the aeration of 0.5 v/v/m) in an airlift reactor. The highest activity (32,000 UI/L) was reached in the 10th experimental day. |
Appears in Collections: | Artigos |
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