Recovery results from analysis of OTA in grounded coffee beans and French wine samples.
| Samples | Detected (D) | Added (A) | Detected after addition (R) | % Recovery |
|---|---|---|---|---|
| 100 × (R − D)/A | ||||
| Wine | 1.10 | 5.00 | 6.46 | 107.20 ± 3.60 |
| 10.00 | 11.90 | 108.00 ± 3.20 | ||
| Coffee | 11.40 | 5 | 16.27 | 97.40 ± 2.40 |
| 10 | 21.12 | 97.20 ± 2.85 |