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Recovery test of CTN spiked red yeast rice (n = 3).
| Spiked Level (ng/mL) | Measured Concentration (ng/mL) | Recovery (%) | CV (%) |
|---|---|---|---|
| 0.5 | 0.47 ± 0.01 | 94.5 ± 1.1 | 1.5 |
| 5 | 4.84 ± 0.06 | 96.7 ± 1.6 | 2.2 |
| 100 | 93.9 ± 3.0 | 93.9 ± 3.0 | 4.3 |
| 1000 | 902.0 ± 7.2 | 90.2 ± 0.7 | 1.0 |
| Average | 93.8 ± 1.6 | 2.3 |
Note: ± indicates value of the average deviation from the mean. Data were given as the mean value. The coefficient of variation (CV) was defined as the ratio of the standard deviation to the mean in the recovery test.
