Delignification of softwood by glycerol from biodiesel by-product I: model reaction using glycerol and fatty acid sodium soap mixture for pretreatment on bioethanol production

Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 4 Condition of enzymatic saccharification of Japanese cedar and oak

Code	Symbols in Fig. 6	Substrate	Treatment conditions			Lignin content [wt%]
Code	Symbols in Fig. 6		Glycerol composition	Temp. [°C]	Time [h]	Lignin content [wt%]
Run 1		Cellulose powder	–	–	–	0
Run 2		Japanese cedar	–	–	–	37.5
Run 3		Japanese cedar	20 wt% C₁₂ Na	250	1	11.5
Run 4		Japanese cedar	20 wt% C_18:0 Na	250	1	15.5
Run 5		Japanese cedar	20 wt% C_18:1 Na	250	1	9.3
Run 6		Japanese cedar	20 wt% C₂ Na	250	1	31.7
Run 7		Japanese cedar	Only glycerol	250	1	35.2
Run 8		Oak	–	–	–	26.4
Run 9		Oak	20 wt% C_18:1 Na	250	1	3.6
Run 10		Oak	20 wt% C₂ Na	250	1	8.6