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Concentration levels of stock solution (1 μg/L, 2 μg/L, and 5 μg/L) used to spike different samples and recoveries (%) for method validation.
| Microcystin variant | Maize 1 |
Maize 2 |
Maize 3 (porridge) |
LOD (μg/L) | LOD (μg/kg) |
|---|---|---|---|---|---|
| 2 μg/L | 1 μg/L | 5 μg/L | |||
| MC-LR | 100 % | 89 % | 98 % | 5 | 5 |
| MC-YR | 80 % | 92 % | 69 % | 4 | 4 |
| MC-RR | 96 % | 92 % | 93 % | 1 | 1 |
