Table 3. Recovery of DAS in Rice Determined by ic-ELISAa.
sample | spiked level (ng/g) | detection level (ng/g), mean ± SD | recovery rate (%) | CV (%) |
---|---|---|---|---|
rice (DAS) | 100 | 1.987 ± 0.025 | 99.35 ± 1.25 | 6.89 |
250 | 5.226 ± 0.156 | 104.52 ± 3.12 | 3.42 | |
500 | 11.069 ± 0.301 | 110.69 ± 3.01 | 4.57 |
Rice samples were diluted 50 times.