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Figure 3 | Biotechnology for Biofuels

Figure 3

From: Effects of lignin modification on wheat straw cell wall deconstruction by Phanerochaete chrysosporium

Figure 3

Main lignin units and inter-unit linkages in wheat straw. A(α-OH): α-OH in β-O-4 linkage; A-H/G: coupled with H or G unit in β-O-4 linkage; A-S: coupled with S unit in β-O-4 linkage; A(γ-Ac): acylation by acetate in γ-OH; A(γ-pCA): acylation by pCA in γ-OH; Aγ: γ-OH in β-O-4 linkage; B: phenylcoumaran (β-5); C: pino/resinol (β-β); D: dibenzodioxocins (5-5′/4-O-β'); E:Spirodienone (β-1);F: α,β-diaryl ethers; H: p-hydroxyphenyl units; G: guaiacyl units; S: syringyl units; T: tricin units; X1: cinnamyl alcohol; X2: cinnamyl aldehyde; pCA: p-coumarate; FA: ferulate; PB: hydroxybenzoate.

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