Department of Chemical Engineering, Environmental Engineering Programme, University of the Philippines Diliman, Quezon 1011, Philippines; Research and Development Center for Biotechnology, School of Biotechnology and Food Technology, Hanoi University of Science and Technology, Hanoi, Vietnam.
Department of Agro-Environmental Sciences, Faculty of Agriculture, Kyushu University, Fukuoka 812-8581, Japan.
Bioresour Technol. 2014 Sep;167:33-40. doi: 10.1016/j.biortech.2014.05.064. Epub 2014 Jun 2.
Bioethanol production through integrated fungal fermentation (IFF), involving a unified process for biological delignification with consolidated biological processing by the white-rot fungus Phlebia sp. MG-60, was applied to sugarcane bagasse. Initial moisture content of the bagasse was found to affect biological delignification by MG-60, and 75% moisture content was suitable for selective lignin degradation and subsequent ethanol production. Additives, such as basal media, organic compounds, or minerals, also affected biological delignification of bagasse by MG-60. Basal medium addition improved both delignification and ethanol production. Some inorganic chemical factors, such as Fe(2+), Mn(2+), or Cu(2+), reduced bagasse carbohydrate degradation by MG-60 during delignifying incubations and resulted in increased ethanol production. The present results indicated that suitable culture conditions could significantly improve IFF efficiency.
通过真菌发酵(IFF)生产生物乙醇,涉及到一个统一的过程,即利用白腐真菌 Phlebia sp. MG-60 进行生物木质素脱除,同时进行整合生物加工。该过程应用于甘蔗渣。发现甘蔗渣的初始水分含量会影响 MG-60 的生物木质素脱除,75%的水分含量适合选择性木质素降解和随后的乙醇生产。添加剂,如基础培养基、有机化合物或矿物质,也会影响 MG-60 对甘蔗渣的生物木质素脱除。添加基础培养基可提高木质素脱除和乙醇生产。一些无机化学因素,如 Fe(2+)、Mn(2+)或 Cu(2+),在木质素脱除孵育过程中会降低 MG-60 对甘蔗渣碳水化合物的降解,从而导致乙醇产量增加。目前的结果表明,合适的培养条件可以显著提高 IFF 效率。