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Table 1 The main absorption band peak location of chemical components in bioenergy sorghum

From: High-throughput analysis of chemical components and theoretical ethanol yield of dedicated bioenergy sorghum using dual-optimized partial least squares calibration models

Wavenumber (cm−1)

Component

Bond vibration

4015–4022

C, L

C–Hstr, C–Cstr

4285–4296

H

C–Hstr, C–Hdef

4392–4412

C, H, L

C–Hstr, C–H2str, O–Hstr, C–Ostr, C–Hdef, C–H2def

4760–4780

C

O–Hdef, C–Hdef, O–Hstr

5150–5195

W, S

O–Hasym, O–Hstr, O–Hdef

5776–5796

S, C, L

1st OT C–Hstr

6329–6336

C

1st OT C–Hstr

6775–6822

S, C, H

1st OT C–Hstr

7305–7328

C

1st OT C–Hstr, C–Hdef

  1. C cellulose, H hemicellulose, L lignin, S soluble sugar, W water