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Transitions, retention time, collision energy, calibration range, regression coefficients and limit of quantization for the catechins.
| Compound | Transition | Retention time (min) | Collision energy (V) | Test range (ng) | R2 | LOD (ng) |
|---|---|---|---|---|---|---|
| (+)-Epicatechin | 291.27→139.2374 | 25.261 | 25 | 0.78–10.0 | 0.9837 | 0.781 |
| (+)-Catechin | 291.27→139.2387 | 24.447 | 25 | 0.78–10.0 | 0.9407 | 1.5625 |
| (−)-Epigallocatechin | 307.27→163.4057 | 23.800 | 26 | 0.78–10.0 | 0.9874 | 0.781 |
LOD= limit of detection.
