Table 2 Calibration curve parameters, limit of detection (LOD), limit of quantification (LOQ) for the standards
Standard | Retention time (min) | Calibration curve equation | Correlation coefficient (r2) | LOD (μg/ml) | LOQ (μg/ml) |
|---|---|---|---|---|---|
Gallic Acid | 4.19 | y = 24.857x – 45.174 | 0.9979 | 7.23 | 21.93 |
Catechin | 7.10 | y = 7.9854x – 17.565 | 0.9995 | 3.52 | 10.69 |
Caffiec Acid | 9.66 | y = 26.097x + 95.435 | 0.9924 | 13.67 | 41.45 |
Rutin | 3.12 | y = 8.3367x + 22.217 | 0.9966 | 9.91 | 27.85 |
Myrisitin | 15.44 | y = 5.2278x – 6.3043 | 0.9988 | 5.40 | 16.37 |
Quercitin | 18.52 | y = 12.21x – 20.348 | 0.9978 | 7.35 | 22.29 |
Kaempherol | 21.328 | y = 9.9944x + 15.261 | 0.9998 | 2.30 | 6.99 |
Apigenin | 22.156 | y = 18.111x + 25.565 | 0.997 | 5.04 | 15.29 |