Fig. 2
From: Comparison of methodologies used to determine aromatic lignin unit ratios in lignocellulosic biomass

Example spectral deconvolution of 1H–13C CP-MAS data obtained from low-S (a) and high-S (b) natural poplar variants. Lignin S/G ratios were obtained from deconvoluted peak areas from lignin S3,5 and G3,4 signals located near 153 and 146–148 ppm, respectively