Table 1 PLS regression results between HTS-FTIR and GC fatty acid measurements (N = 201)
Fatty acid | Range | Mean | Standard deviation | R2a | RMSECVb | RPD cCV | PLS factors |
|---|---|---|---|---|---|---|---|
C16:0 | 13.4–31.9 | 20.2 | 6.1 | 0.94 | 1.5 | 4.0 | 6 |
C18:0 | 2.1–14.4 | 6.3 | 3.2 | 0.94 | 0.8 | 4.2 | 6 |
C18:1n9 | 25.4–49.1 | 37.4 | 5.4 | 0.89 | 1.8 | 3.0 | 21 |
C18:2n6 | 7.6–48.1 | 20.8 | 11.5 | 0.96 | 2.3 | 5.0 | 7 |
C18:3n6 | 0.0–22.3 | 9.1 | 7.2 | 0.96 | 1.4 | 5.1 | 3 |
SAT | 22.4–39.2 | 29.0 | 4.5 | 0.87 | 1.6 | 2.8 | 6 |
MUFA | 27.1–52.6 | 40.7 | 5.6 | 0.93 | 1.5 | 3.9 | 21 |
PUFA | 15.9–50.5 | 30.3 | 8.1 | 0.93 | 2.2 | 3.7 | 7 |
Unsaturation index | 0.89–1.33 | 1.11 | 0.13 | 0.95 | 0.03 | 4.5 | 9 |
Total lipid | 7.9–37.1 | 27.8 | 6.1 | 0.86 | 2.3 | 2.6 | 4 |