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Calibration, linearity, and LOD and LOQ data.
| Compound | Linearity range (μg/mL) | Regression equation |
Correlation coefficient |
LOD (μg/mL) |
LOQ (μg/mL) |
|---|---|---|---|---|---|
| Catechin | 100–600 | y = 74777x + 13899 | 0.9990 | 0.012 | 0.15 |
| Epicatechin | 100–600 | y = 77598x − 17409 | 0.9980 | 0.036 | 0.45 |
y = peak area; x = concentration of analyte.
