Table 1.
Assignment of peaks in Raman spectra.
| Band position (cm−1) | Assignment | Compounds |
|---|---|---|
| 479 | C1–O–C-4 glucoside bond [22] | Starch [23] |
| 525 | Skeletal vibration [24] | Fructose [23] |
| 874 | C–O–C cyclic alkyl ethers | Fructose [23,25] |
| 876 | Asymmetric stretching vibrations of the choline N+(CH3)3 group | Phospholipid [26] |
| 942 | C–O–C α-1-6 anomer | Starch [19,27,28] |
| 952 | C–O–C α-1-4 anomer | Starch [19,27] |
| 1082 | P=O stretching | Phytic acid [12] |
| 1262 | C-H stretching mode | Amide III structural proteins [29,30] |
| 1265 | Vibration of C-OH and C-OH [31] | Glucose / Fructose [25] |
| 1320 | Aliphatic side-chain stretching | Protein [32] |
| 1374 | HCC, HCO and HOC bending | β-Glucan [12] |
| 1451–1455 | HCH stretching | Gluten [12] |