140 Introduction to Renewable Biomaterialsmonomers and dimers and processable carbohydrate pulps.Energy Environ Sci.
2015; 8 (6):1748–63.
123 Liu Z, Padmanabhan S, Cheng K, Xie H, Gokhale A, Afzal W, et al. Two-step
delignification of miscanthus to enhance enzymatic hydrolysis: aqueous ammonia
followed by sodium hydroxide and oxidants.Energy Fuels. 2014; 28 (1):542–8.
124 Li S, Lundquist K. A new method for the analysis of phenolic groups in lignins by(^1) H NMR spectroscopy.Nord Pulp Pap Res J. 1994; 9 (3):191–5.
125 Chen C-L. Determination of methoxyl groups. In: Lin SY, Dence CW, editors.
Methods in lignin chemistry: Springer; 1992. p. 465–72.
126 Balogh D, Curvelo A, De Groote R. Solvent effects on organosolv lignin fromPinus
caribaeahondurensis.Holzforschung. 1992; 46 (4):343–8.
127 Vazquez G, Antorrena G, Gonzalez J, Freire S. FTIR,^1 Hand^13 C NMR charac-
terization of acetosolv-solubilized pine and eucalyptus lignins.Holzforschung.
1997; 51 (2):158–66.
128 Ligero P, Villaverde JJ, de Vega A, Bao M. Delignification ofEucalyptus globulus
saplings in two organosolv systems (formic and acetic acid): preliminary analysis of
dissolved lignins.Ind Crop Prod. 2008; 27 (1):110–7.