Table 1.
Calibration curves, limit of detection (LOD) and limit of quantification (LOQ) data of investigated analyte by HPLC-ELSD.
| Analytes | Calibration Curves | R2 | Linear Range (μg/mL) | LOD (μg/mL) | LOQ (μg/mL) |
|---|---|---|---|---|---|
| Rosmarinic acid | y = 1.4574x + 4.4181 | 0.998 | 17.2–172.0 | 6.7 | 20.5 |
| Carnosol | y = 1.3384x + 5.7104 | 0.993 | 5.3‒52.9 | 1.3 | 4.3 |
| Carnosic acid | y = 1.4906x + 5.4499 | 0.999 | 30.6‒306.0 | 2.5 | 8.5 |
| Oleanolic acid | y = 1.1558x + 5.3079 | 0.996 | 29.4‒294.0 | 8.6 | 28.8 |
| Ursolic acid | y = 1.3198x + 5.2916 | 0.991 | 39.6‒396.0 | 5.7 | 19.0 |