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Table 1 Functional groups and structures assignment of the FTIR spectra peaks

From: Elucidation of ligninolysis mechanism of a newly isolated white-rot basidiomycete Trametes hirsuta X-13

Number Wavenumber (cm−1) Functional groups and structures assignment
1 3420 OH stretching vibration
2 3210 OH stretching vibration
3 3050 OH stretching vibration
4 2860 C–H stretching in aromatic methoxyl groups
5 1650 Absorbed O–H and conjugated C–O
6 1635 C=C stretching vibration peak in benzene ring
7 1600 Aromatic skeletal vibrations and C=O stretch; S > G
8 1511 Aromatic skeletal vibrations; G > S
9 1420 Aromatic skeletal vibrations combined with O–CH3 in plane deform
10 1317 C–O in syringyl group
11 1275 C–O in guaiacyl group
12 1090 C–O vibrations in aliphatic ethers and/or in secondary alcohols
13 1041 C–O in guaiacyl group
14 618 Stretching vibrations of the C–S bond linked to the aromatic ring