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. 2019 Nov 20;11(12):1913. doi: 10.3390/polym11121913

Figure 6.

Figure 6

Influence of alcohol on the mild organosolv extraction (80:20 alcohol/H2O *, 0.18 M H2SO4, 120 °C, 5 h) on (A) extraction efficiency (corrected for alcohol incorporation as determined by 2D HSQC) and (B) total β-O-4 content as determined by 2D HSQC. *W hen 1,4-dioxane was used, an 80:15:5 alcohol/H2O/1,4-dioxane ratio was applied.