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|Title:||Production of fungal biomass protein using microfungi from winery wastewater treatment|
|Citation:||Bioresource Technology, 2008; 99(9):3871-3876|
|Publisher:||Elsevier Sci Ltd|
|Zhan Ying Zhang, Bo Jin, Zhi Hui Bai, Xiao Yi Wang|
|Abstract:||This study was carried out to investigate the production of fungal biomass protein (FBP) in treatment of winery wastewater using microfungi. Three fungal strains, Trichoderma viride WEBL0702, Aspergillus niger WEBL0901 and Aspergillus oryzae WEBL0401, were selected in terms of microbial capability for FBP production and COD reduction. T. viride appeared to be the best strain for FBP production due to high productivity and less nitrogen requirement. More than 5 g/L of fungal biomass was produced in shake fermentation using T. viride without nitrogen addition, and by A. oryzae and A. niger with addition of 0.5-1.0 g/L (NH4)2SO4. The FBP production process corresponded to 84-90% COD reduction of winery wastewater. Fungal biomass contained approximately 36% protein produced by two Aspergillus strains, while biomass produced by T. viride consisted of 19.8% protein. Kinetic study indicated that maximum fungal cell growth could be achieved in 24h for T. viride and 48 h for A. oryzae and A. niger. Current results indicated that it could be feasible to develop a biotechnological treatment process integrated with FBP production from the winery waste streams.|
|Keywords:||Winery wastewater; Fungal biomass protein; Trichoderma viride; Aspergillus niger; Aspergillus oryzae|
|Appears in Collections:||Earth and Environmental Sciences publications|
Environment Institute publications
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