期刊
FEMS MICROBIOLOGY LETTERS
卷 367, 期 8, 页码 -出版社
OXFORD UNIV PRESS
DOI: 10.1093/femsle/fnaa060
关键词
mushrooms; biological efficiency; laccase; exopolysaccharides; olive mill and winery wastewaters
类别
资金
- Project 'Research & Technology Development Innovation Projects'-AgroETAK [MIS 453350]
- European Social Fund through the National Strategic Reference Framework (Research Funding Program 2007-2013)
Spent mushroom substrate (SMS) of Pleurotus ostreatus was supplemented with wheat bran and soybean flour and used as substrate for a new cultivation cycle of the oyster mushrooms Pleurotus ostreatus and Pleurotus pulmonarius. The bioconversion efficiency of mushrooms produced over substrate (BE%) used and the chemical composition of sporophores were evaluated. The concentration of mycelial mass, crude exopolysaccharide content and laccase enzyme activity were also determined at the supplemented SMS before inoculation, at 50% and 100% of colonization stages in the new cultivation and in the final re-utilized SMS. The laccase enzyme was extracted to examine SMS potential for the dephenolization of olive mill and winery wastewaters. Results showed that both Pleurotus species exhibited BE over 185%, demonstrating this bioprocess could represent a promising strategy to convert SMS into nutritional food. Data also indicate the strong positive impact that SMS could have in the solid wastes' management and agribusiness enhancement.
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