Table 1 Chemical bond information corresponding to spectral characteristic peaks of raisin pericarps26,29,30,31.
From: Near-infrared spectroscopy combined with pattern recognition algorithms to quickly classify raisins
Wavenumber (cm−1) | Chemical Bond information |
|---|---|
4323 | C–H bending of the lipids |
4763 | C–O stretching and O–H deformation |
5160 | C=O groups of the carbohydrates |
6896 | O–H of the flavonoids |
