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. 2018 Jul 23;23(7):1822. doi: 10.3390/molecules23071822

Figure 5.

Figure 5

Morphology of lignin isolated with traditional OS pretreatment with 60% v/v ethanol content (a) and after homogenization at 500 bar in ethanol/water solution with ethanol content of (b) 0% v/v; (c) 50% v/v; and (d) 75% v/v.