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Fig. 4 | Biotechnology for Biofuels

Fig. 4

From: Lignin from hydrothermally pretreated grass biomass retards enzymatic cellulose degradation by acting as a physical barrier rather than by inducing nonproductive adsorption of enzymes

Fig. 4

Monolignols ratios (peak area ratio of 835/1508 and 1601/1508 cm−1 for H/G and S/G ratio, respectively) based on ATR-FTIR spectroscopy results of the lignin-rich residues (LRRs) from corn stover (CS), Miscanthus × giganteus stalks (MS) and wheat straw (WS) hydrothermally pretreated at different pretreatment severity factors (log R0). Data points represent average and standard deviation from five replicates. Different letters (A, B, C, …) indicate significant statistical difference based on ANOVA (P ≤ 0.05)

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