Journal
JOURNAL OF APPLIED MICROBIOLOGY
Volume 121, Issue 2, Pages 415-421Publisher
WILEY-BLACKWELL
DOI: 10.1111/jam.13148
Keywords
fermentation; fibreboard; fungi; optimization; waste
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Funding
- Natural Science Foundation of Jiangsu Province [BK20141252]
- Topnotch Academic Programs Project of Jiangsu Higher Education Institutions [PPZY2015A018]
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Aims: To produce fibreboard with Triarrhena sacchariflora residue (TSR) without adhesive and understand the relationship between bio-pretreatment and mechanical property of fibreboard. Methods and Results: White-rot fungus Coriolus versicolor was used to pretreat TSR, and biochemical and physical analysis were investigated by ultraviolet spectrophotometry, Fourier transform infrared spectroscopy and environmental scanning electron microscopy method. Conclusions: TSR was suitable to produce fibreboard without adhesive by bio-pretreatment with C. versicolor. The property of fibreboard became stronger by optimization of bio-pretreatment parameters, and the moduli of rupture and elasticity of fibreboard were increased to 18.12 MPa and 4.3 GPa, respectively, which were close to national standard of medium-density fibreboard with adhesive. Bio-pretreated TSR increased the mechanical properties of fibreboard because of 1.4-fold content of polysaccharide and 1.15 U g(-1) laccase, more hydroxyl group and more porous surface structure than that of untreated TSR. Significance and Impact of the Study: TSR-based fibreboard production without adhesive eliminated potential formaldehyde gas emission.
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