Table 2.
Recovery analysis for AFB1, ZEA, and CTN via spiked blank matrix.
| Analyze | Sample | Spiked (µg/kg) |
Inter-Day a (n = 5) | Intra-Day b (n = 5) | ||
|---|---|---|---|---|---|---|
| Found c (µg/kg) |
Recovery (%) | Found (µg/kg) |
Recovery (%) | |||
| AFB1 | Maize | 1.00 | 1.11 ± 0.11 | 110.80 | 1.08 ± 0.03 | 108.25 |
| 5.00 | 4.64 ± 0.16 | 92.88 | 4.65 ± 0.03 | 92.96 | ||
| 10.00 | 9.35 ± 0.20 | 93.48 | 9.42 ± 0.10 | 94.15 | ||
| Peanut | 1.00 | 0.92 ± 0.08 | 91.60 | 0.96 ± 0.04 | 95.87 | |
| 5.00 | 4.61 ± 0.23 | 92.36 | 4.60 ± 0.04 | 91.91 | ||
| 10.00 | 9.19 ± 0.25 | 91.90 | 9.18 ± 0.14 | 91.77 | ||
| ZEA | Maize | 5.00 | 4.43 ± 0.32 | 88.52 | 4.48 ± 0.05 | 89.60 |
| 20.00 | 20.77 ± 0.96 | 103.83 | 20.67 ± 0.44 | 103.33 | ||
| 60.00 | 55.28 ± 0.96 | 92.13 | 55.23 ± 0.45 | 92.05 | ||
| Peanut | 5.00 | 4.33 ± 0.35 | 86.56 | 4.29 ± 0.04 | 85.72 | |
| 20.00 | 18.21 ± 0.95 | 91.07 | 18.18 ± 0.22 | 90.91 | ||
| 60.00 | 53.63 ± 0.98 | 89.38 | 54.25 ± 0.58 | 90.41 | ||
| CTN | Maize | 10.00 | 8.63 ± 0.36 | 86.32 | 8.57 ± 0.28 | 85.66 |
| 20.00 | 18.22 ± 0.76 | 91.11 | 18.07 ± 0.13 | 90.37 | ||
| 50.00 | 44.14 ± 1.66 | 88.29 | 43.21 ± 0.82 | 86.43 | ||
| Peanut | 10.00 | 8.41 ± 0.77 | 84.06 | 8.42 ± 0.16 | 84.16 | |
| 20.00 | 18.15 ± 0.85 | 90.74 | 17.92 ± 0.22 | 89.59 | ||
| 50.00 | 41.62 ± 1.57 | 83.24 | 41.76 ± 0.40 | 83.52 | ||
a Assays were performed among five replicates in the same day; b Assays were performed among five replicates on three different days; c Data were the SD from all repeated measured values.