Obtained results from the determination of fatty acid methyl esters in spiked dairy product samples via the TFME-GC-FID method (n = 5).
| Sample | Added (μg L−1) | ||||||
|---|---|---|---|---|---|---|---|
| 15 | 70 | 250 | |||||
| Found (±SD) | R (%) | Found | R (%) | Found | R (%) | ||
| Milk | PAME | 14.86 (3.3) | 99.7 (4.1) | 69.92 (3.8) | 95.9 (3.2) | 249.92 (3.8) | 95.5 (3.6) |
| SAME | 14.73 (4.1) | 99.3 (3.6) | 64.18 (5.3) | 97.6 (3.1) | 241.76 (3.3) | 97.6 (3.8) | |
| OAME | 14.93 (3.1) | 97.8 (4.3) | 68.90 (4.1) | 95.5 (4.1) | 235.97 (4.2) | 95.5 (3.6) | |
| LAME | 14.96 (2.7) | 99.9 (5.1) | 66.89 (4.2) | 96.7 (3.2) | 241.66 (4.7) | 96.7 (3.5) | |
| Yogurt | PAME | 14.76 (3.8) | 100 (5.4) | 66.95 (4.1) | 98.4 (4.5) | 246.73 (3.3) | 98.4 (3.7) |
| SAME | 14.94 (3.6) | 99.8 (4.3) | 69.97 (6.6) | 95.9 (5.1) | 241.97 (5.2) | 95.9 (5.6) | |
| OAME | 14.86 (3.4) | 100 (3.3) | 65.80 (4.8) | 98.0 (3.6) | 245.23 (4.8) | 98.0 (4.3) | |
| LAME | 14.88 (5.1) | 97.7 (3.1) | 67.52 (6.2) | 99.0 (3.8) | 245.92 (3.8) | 99.0 (4.2) | |
| Cheese | PAME | 14.81 (3.3) | 97.5 (3.8) | 65.96 (5.3) | 97.1 (4.7) | 245.15 (4.2) | 97.1 (3.3) |
| SAME | 14.87 (2.8) | 97.8 (3.4) | 69.97 (4.9) | 95.9 (5.1) | 239.97 (4.2) | 95.9 (3.5) | |
| OAME | 14.85 (5.1) | 100 (4.4) | 65.80 (4.1) | 98.0 (6.1) | 243.43 (3.8) | 98.0 (4.5) | |
| LAME | 14.68 (4.2) | 97.7 (3.3) | 67.52 (4.7) | 99.0 (5.3) | 238.68 (5.4) | 99.0 (4.6) | |
| Yogurt soda | PAME | 14.96 (2.3) | 97.5 (5.2) | 65.96 (5.3) | 97.1 (5.5) | 256.14 (5.2) | 97.1 (3.7) |
| SAME | 14.91 (2.8) | 99.6 (3.7) | 66.15 (6.5) | 98.4 (6.3) | 244.27 (5.2) | 98.4 (4.3) | |
| OAME | 14.87 (3.1) | 99.5 (3.5) | 67.17 (6.5) | 97.1 (5.2) | 246.62 (3.8) | 97.1 (3.4) | |
| LAME | 14.74 (4.5) | 97.2 (3.8) | 69.98 (4.7) | 95.9 (5.8) | 245.55 (3.6) | 95.9 (3.2) | |
| Butter | PAME | 14.93 (3.4) | 97.8 (3.6) | 68.90 (6.7) | 95.5 (4.8) | 235.97 (4.4) | 95.5 (5.2) |
| SAME | 14.81 (4.1) | 97.5 (4.7) | 65.96 (4.8) | 97.1 (4.2) | 245.15 (3.8) | 97.1 (4.1) | |
| OAME | 14.76 (5.2) | 100 (5.6) | 66.95 (5.1) | 98.4 (3.3) | 246.73 (5.2) | 98.4 (3.6) | |
| LAME | 14.88 (3.2) | 97.7 (3.7) | 67.52 (5.5) | 99.0 (4.3) | 245.92 (2.8) | 99.0 (4.5) | |