Research Article
Rapid Discrimination of Cheese Products Based on Probabilistic Neural Network and Raman Spectroscopy
Table 1
The main Raman vibrational bands and their respective tentative assignments.
| Wavenumber (cm−1) | Assignment |
| 1760 | ν(C=O)ester | 1670 | ν(C=O)amide I; ν(C=C) | 1620 | ν(C-C)ring | 1458 | δ(CH2) | 1313 | τ(CH2) | 1143 | ν(C-O) + ν(C-C) + δ(C-O-H) | 1095 | ν(C-O) + ν(C-C) + δ(C-O-H) | 1080 | ν(C-O) + ν(C-C) + δ(C-O-H) | 1019 | Ring-breathing (phenylalanine); ν(C-C)ring | 938 | δ(C-O-C) + δ(C-O-H) + ν(C-O) | 851 | δ(C-C-H) + δ(C-O-C) | 636 | δ(C-C-O) | 510 | Glucose | 384 | Lactose |
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ν, stretching vibration; δ, deformation vibration; τ, twisting vibration.
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