Table 2.
Relative recovery (RR) values of the proposed method in the milk samples.
| Sample | Spiked level | Analytes | ||||||
|---|---|---|---|---|---|---|---|---|
| THE | CYZ | CAR | ATZ | MET | AZO | PRZ | ||
| %RR (%RSD, n = 3) | ||||||||
| PSM | Level 1 | 95.7 (2.6) | 93.0 (4.9) | 92.8 (4.3) | 87.7 (7.3) | 90.2 (5.5) | 92.8 (6.1) | 108.8 (3.3) |
| Level 2 | 93.3 (4.2) | 94.2 (3.0) | 104.6 (5.5) | 92.3 (8.0) | 87.5 (4.8) | 89.7 (5.4) | 96.7 (2.7) | |
|
| ||||||||
| PMM | Level 1 | 97.9 (7.3) | 93.2 (4.6) | 91.7 (4.6) | 87.9 (7.0) | 91.6 (4.1) | 85.9 (4.6) | 108.3 (8.9) |
| Level 2 | 92.9 (7.0) | 94.3 (3.1) | 97.5 (5.0) | 91.3 (3.4) | 90.0 (4.0) | 88.5 (7.0) | 92.9 (3.3) | |
|
| ||||||||
| RSM | Level 1 | 96.0 (7.8) | 86.3 (8.9) | 88.4 (11.4) | 88.2 (8.4) | 85.3 (10.3) | 88.6 (5.2) | 94.2 (11.3) |
| Level 2 | 97.1 (10.6) | 91.6 (6.2) | 97.0 (8.0) | 92.5 (5.1) | 92.8 (9.2) | 87.1 (6.2) | 89.5 (10.9) | |
PSM, pasteurized milk sample one; PMM, pasteurized milk sample two; and RSM, raw sululta milk sample. Level 1 : 10 μg/L for CAR; 15 μg/L for THE, CYZ, ATZ, and PRZ; 30 μg/L for AZO; 45 μg/L for MET. Level 2 : 100 μg/L for CAR; 130 μg/L for THE, CYZ, ATZ, and PRZ; 260 μg/L for AZO; 390 μg/L for MET.