Table 2.
Interclass distance between 7 types of potato chip frying oil based on the SIMCA training model generated by (a) the Raman spectral data collected in the 790–1782 cm–1 region and (b) NIR spectral data collected in the 1350–2552 nm region.
| Groups | HO SUN (I) | MO SUN | Canola | HO SUN (II) | Peanut | Corn | Cottonseed |
|---|---|---|---|---|---|---|---|
| (a) | |||||||
| HO SUN (I) | 0.0 | ||||||
| MO SUN | 3.6 | 0.0 | |||||
| Canola | 7.1 | 1.5 | 0.0 | ||||
| HO SUN (II) | 2.0 | 0.9 | 3.3 | 0.0 | |||
| Peanut | 1.3 | 3.1 | 6.5 | 1.3 | 0.0 | ||
| Corn | 10.1 | 4.5 | 3.2 | 5.8 | 9.7 | 0.0 | |
| Cottonseed | 7.2 | 3.7 | 3.0 | 3.8 | 7.0 | 2.6 | 0.0 |
| (b) | |||||||
| HO SUN (I) | 0.0 | ||||||
| MO SUN | 3.8 | 0.0 | |||||
| Canola | 44.8 | 11.8 | 0.0 | ||||
| HO SUN (II) | 6.2 | 2.9 | 25.3 | 0.0 | |||
| Peanut | 8.7 | 10.5 | 34.7 | 7.2 | 0.0 | ||
| Corn | 13.0 | 5.5 | 15.5 | 14.5 | 39.0 | 0.0 | |
| Cottonseed | 40.2 | 14.5 | 13.9 | 26.1 | 36.1 | 12.0 | 0.0 |