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Table 6 NIR vibrational modes identified from regression coefficient plots and spectral assignments corresponding to lignin and/or lignin monomers

From: High-throughput prediction of eucalypt lignin syringyl/guaiacyl content using multivariate analysis: a comparison between mid-infrared, near-infrared, and Raman spectroscopies for model development

Vibrational mode from regression coefficients plot Lignin vibrational mode
4400-4586 4411 [45]
4546 [46]
4686 [47]
5581-5600 5583 [45]
5959-6009 5963, 5978 [45]
5974, 5978, 5980 [46]
7081-7197 7092 [48]
8459-8674 8547 [46]
8720-8801 8749 [49]