Table 3.
Accuracy and precision for nine mycotoxins determined using optimal LC–MS/MS conditions for six different vegetable oil samples.
| Mycotoxin (µg/kg) |
Palm Oils | Corn Oils | ||||
|---|---|---|---|---|---|---|
| Recovery (%) (n = 5) | Intraday Precision (%RSD) (n = 5) |
Interday Precision (%RSD) (n = 5) |
Recovery (%) (n = 5) | Intraday Precision (%RSD) (n = 5) |
Interday Precision (%RSD) (n = 5) |
|
| AFB1 | ||||||
| 0.5 | 114.2 | 3.5 | 5.3 | 80.4 | 5.1 | 4.9 |
| 2.5 | 94.2 | 2.6 | 7.4 | 93.5 | 2.1 | 6.2 |
| 10 | 92.4 | 3.5 | 5.2 | 98.2 | 1.1 | 2.3 |
| AFB2 | ||||||
| 0.5 | 96 | 2 | 12.1 | 95.7 | 6.3 | 5.8 |
| 2.5 | 115 | 9.5 | 9.1 | 79.5 | 7.6 | 6.4 |
| 10 | 110.7 | 14.3 | 8.4 | 72.4 | 2.6 | 2.9 |
| AFG1 | ||||||
| 0.5 | 93 | 5 | 5.9 | 93.7 | 6.4 | 7.7 |
| 2.5 | 105.5 | 2.3 | 2.4 | 92.5 | 4.5 | 4.6 |
| 10 | 112.9 | 3 | 4.3 | 89.3 | 2.8 | 3.8 |
| AFG2 | ||||||
| 0.5 | 104.1 | 13.1 | 13.2 | 85.8 | 12 | 12 |
| 2.5 | 114.7 | 7.8 | 3.8 | 97 | 12.2 | 8.2 |
| 10 | 105.3 | 4 | 3.9 | 93.8 | 3 | 2.6 |
| OTA | ||||||
| 1 | 92.5 | 4.5 | 5.9 | 102 | 3.7 | 7.9 |
| 5 | 105.4 | 4.9 | 3.4 | 105 | 6.8 | 3.7 |
| 25 | 102.7 | 1.8 | 2.4 | 98.5 | 3 | 5.8 |
| ZEA | ||||||
| 75 | 99.3 | 6 | 4.4 | 92.6 | 7.8 | 9 |
| 150 | 91 | 2 | 3.6 | 99.8 | 5.4 | 6.4 |
| 350 | 93 | 1.4 | 4 | 104.5 | 2.6 | 5.5 |
| BEA | ||||||
| 0.5 | 84.3 | 2.9 | 3.2 | 81.6 | 10.6 | 7.6 |
| 2.5 | 88.2 | 2.3 | 3.8 | 88.3 | 6.4 | 5.3 |
| 10 | 93.3 | 1.5 | 2.9 | 90.7 | 8.4 | 7.1 |
| FB1 | ||||||
| 10 | 85 | 2.3 | 6.3 | 84.6 | 7.7 | 5.3 |
| 50 | 93.7 | 2.6 | 5.5 | 86.7 | 7.5 | 6.8 |
| 150 | 107.4 | 3.8 | 4.8 | 96.6 | 5.9 | 4.4 |
| FB2 | ||||||
| 10 | 84.8 | 4.6 | 3.7 | 95.6 | 5 | 4.5 |
| 50 | 101.7 | 6.5 | 5.9 | 96.2 | 3.5 | 4.3 |
| 150 | 103.3 | 4.4 | 4.8 | 101.4 | 2.8 | 2 |
|
Mycotoxin
(µg/kg) |
Olive Oils | Sunflower Oils | ||||
| Recovery (%) (n = 5) |
Intraday Precision
(%RSD) (n = 5) |
Interday Precision
(%RSD) (n = 5) |
Recovery (%) (n = 5) |
Intraday Precision
(%RSD) (n = 5) |
Interday Precision
(%RSD) (n = 5) |
|
| AFB1 | ||||||
| 0.5 | 82.7 | 4.4 | 5.4 | 84.7 | 12.5 | 10.2 |
| 2.5 | 91.2 | 4.8 | 4.9 | 91.1 | 1.6 | 11.6 |
| 10 | 94.1 | 7.3 | 5.5 | 96.1 | 3.9 | 10.4 |
| AFB2 | ||||||
| 0.5 | 86.3 | 5.8 | 6.2 | 90.1 | 4.8 | 5.2 |
| 2.5 | 91.5 | 2.4 | 3.4 | 93.3 | 3.9 | 3.7 |
| 10 | 96.2 | 3.8 | 4.8 | 94.3 | 2.3 | 10.2 |
| AFG1 | ||||||
| 0.5 | 85 | 8.2 | 7.1 | 95.7 | 5.7 | 5 |
| 2.5 | 87.6 | 7.4 | 5.7 | 93.7 | 2.3 | 2.2 |
| 10 | 90.7 | 6.9 | 8.3 | 103.4 | 4.5 | 8.6 |
| AFG2 | ||||||
| 0.5 | 108.7 | 3.9 | 2.9 | 98.6 | 7.1 | 5.3 |
| 2.5 | 101.6 | 4.1 | 4 | 95.4 | 6.5 | 4.1 |
| 10 | 105.1 | 3.6 | 3.9 | 92.6 | 3.2 | 10.6 |
| OTA | ||||||
| 1 | 82.2 | 2.6 | 3.8 | 79.1 | 7.8 | 10.5 |
| 5 | 88.4 | 3.8 | 6.9 | 85 | 5.3 | 4.5 |
| 25 | 92.9 | 4 | 4.1 | 89.3 | 1.4 | 2.8 |
| ZEA | ||||||
| 75 | 95.4 | 3.4 | 8.4 | 104.4 | 4.6 | 7.1 |
| 150 | 100.1 | 2.1 | 2.5 | 92.4 | 2.7 | 3.6 |
| 350 | 104.3 | 2.2 | 2.7 | 92.6 | 5 | 4.7 |
| BEA | ||||||
| 0.5 | 84.6 | 8 | 7.5 | 115.7 | 3.1 | 3.8 |
| 2.5 | 106.1 | 9.3 | 11.8 | 117.2 | 10.6 | 8.1 |
| 10 | 91.1 | 11 | 9.7 | 114.1 | 13.5 | 8.2 |
| FB1 | ||||||
| 10 | 106.6 | 6.1 | 4.7 | 84.2 | 1.8 | 2.3 |
| 50 | 93.2 | 4.3 | 4.5 | 92.6 | 2.1 | 4.1 |
| 150 | 90.6 | 3.3 | 3.6 | 95.1 | 4.6 | 2.6 |
| FB2 | ||||||
| 10 | 93.4 | 5.3 | 6.1 | 84 | 8.4 | 5.4 |
| 50 | 106.6 | 7.7 | 5.3 | 90.6 | 8.3 | 4.7 |
| 150 | 100.1 | 7.8 | 4.3 | 87.4 | 8.9 | 8.3 |
|
Mycotoxin
(µg/kg) |
Soybean Oils | Rice Bran Oils | ||||
| Recovery (%) (n = 5) |
Intraday Precision
(%RSD) (n = 5) |
Interday Precision
(%RSD) (n = 5) |
Recovery (%) (n = 5) |
Intraday Precision
(%RSD) (n = 5) |
Interday Precision
(%RSD) (n = 5) |
|
| AFB1 | ||||||
| 0.5 | 101.1 | 7.05 | 8.9 | 103.3 | 1.9 | 4.1 |
| 2.5 | 98.6 | 1.6 | 3.2 | 91.6 | 3.6 | 2.3 |
| 10 | 105.4 | 5.1 | 6.8 | 89.7 | 4.5 | 5.2 |
| AFB2 | ||||||
| 0.5 | 84.2 | 19.7 | 8.2 | 84.3 | 6.1 | 4.1 |
| 2.5 | 92.8 | 3.8 | 5.3 | 90.6 | 1.9 | 3.5 |
| 10 | 93.4 | 2.9 | 5.2 | 88.4 | 4.6 | 4.7 |
| AFG1 | ||||||
| 0.5 | 84.8 | 6.9 | 7.5 | 89.4 | 4.7 | 5.5 |
| 2.5 | 101.7 | 3.9 | 3.8 | 86.4 | 4 | 2.9 |
| 10 | 105.3 | 4.1 | 5.2 | 83.1 | 4.6 | 5.1 |
| AFG2 | ||||||
| 0.5 | 88.7 | 3.1 | 6.2 | 85.6 | 6.6 | 6.9 |
| 2.5 | 91.6 | 4.6 | 5.9 | 83.6 | 3.2 | 4.8 |
| 10 | 103.3 | 2.9 | 6.5 | 75.7 | 5.9 | 5.6 |
| OTA | ||||||
| 1 | 81.4 | 10.7 | 10.4 | 93.7 | 6.2 | 7.9 |
| 5 | 74.9 | 5.7 | 7.7 | 77.9 | 4.6 | 3.6 |
| 25 | 75.6 | 0.5 | 2.4 | 78 | 5.5 | 6.2 |
| ZEA | ||||||
| 75 | 85.6 | 8.6 | 7.5 | 79.7 | 3.6 | 4.4 |
| 150 | 88.6 | 1.5 | 3.8 | 92.9 | 2.9 | 3.2 |
| 350 | 101.2 | 7.4 | 7.8 | 93.1 | 6.2 | 4.4 |
| BEA | ||||||
| 0.5 | 85.6 | 6.6 | 7.4 | 87.1 | 10.3 | 8.5 |
| 2.5 | 89.1 | 6.3 | 7 | 85.6 | 8.2 | 7.3 |
| 10 | 86.6 | 8.7 | 10.3 | 88.2 | 5.8 | 6.4 |
| FB1 | ||||||
| 10 | 83.3 | 3.3 | 6.3 | 84.5 | 3.1 | 3.5 |
| 50 | 92.7 | 3.6 | 4.5 | 86 | 5.2 | 4.8 |
| 150 | 104.6 | 4.8 | 5.5 | 90.6 | 4.6 | 5.8 |
| FB2 | ||||||
| 10 | 82.3 | 3.6 | 4.1 | 86.8 | 4.6 | 5.1 |
| 50 | 99.7 | 5.6 | 6.9 | 103.7 | 6.2 | 6.9 |
| 150 | 103.3 | 4.4 | 4.9 | 106.3 | 6.3 | 7.4 |
%RSD = percentage relative standard deviation.