Production of laccase from Trametes versicolor by solid-state fermentation using olive leaves as a phenolic substrate
Authors:
- 5 July 2012
- journal article
- Published by Springer Nature in Bioprocess and Biosystems Engineering
- Vol. 36 (2) , 215-222
Abstract
The aim of the present study was to investigate whether olive leaves were feasible as a substrate for laccase production by the white-rot fungus Trametes versicolor FPRL 28A INI under solid-state fermentation conditions. Different experiments were conducted to select the variables that allow obtaining high levels of laccase activity. In particular, the effects of the initial moisture content, substrate particle size, supplementation with inorganic and organic nitrogen sources were evaluated. Highest laccase activity (276.62 ± 25.67 U/g dry substrate) was achieved with 80 % initial moisture content and 1.4–1.6 mm particle size of the substrate supplemented with yeast extract (1 % (w/w) nitrogen). Such a high activity was obtained without any addition of inducers.Keywords
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