Table 2 The Content, Reproducibility and Average Recovery of Samples.
Analyte | Content (mg/g) | Repeatability (RSD%) n = 3 | Average recovery | ||
|---|---|---|---|---|---|
Retention time | Peak area | Added (μg/mL) | Recovery% | ||
Sodium danshensu | 0.81 | 2.46 | 4.09 | 1 | 98.34 |
10 | 83.74 | ||||
Protocatechuic aldehyde | 0.37 | 1.85 | 3.33 | 1 | 95.60 |
10 | 85.31 | ||||
Rosmarinic acid | 0.52 | 2.32 | 3.89 | 1 | 90.83 |
10 | 86.45 | ||||
Lithospermic acid | 0.34 | 3.58 | 5.37 | 1 | 89.52 |
10 | 86.37 | ||||
Salvianolic acid B | 6.04 | 2.67 | 4.62 | 1 | 92.34 |
10 | 89.64 | ||||
Salvianolic acid A | 0.21 | 1.94 | 3.85 | 1 | 90.66 |
10 | 82.34 | ||||