Table 3 Recovery study of the method (n = 3)
Analytes | Original | Amount | Measured | Recovery | RSD |
|---|---|---|---|---|---|
Amount (μ g/mL) | added (μ g/mL) | Amount (μ g/mL) | (%) | (%) | |
Loganic acid | 26.14 | 12.00 | 38.03 | 99.1 | 1.79 |
24.00 | 50.21 | 101.9 | 2.40 | ||
36.00 | 63.22 | 103 | 3.11 | ||
Swertiamarin | 1.82 | 0.90 | 2.75 | 103.3 | 1.73 |
1.80 | 3.58 | 97.8 | 1.87 | ||
2.40 | 4.17 | 97.9 | 2.23 | ||
Mangiferin | 601.78 | 300.00 | 906.12 | 101.4 | 1.92 |
600.0 | 1195.88 | 99.0 | 3.07 | ||
1200.00 | 1843.05 | 103.4 | 2.19 | ||
Gentiopicroside | 1.24 | 0.60 | 1.83 | 98.3 | 2.25 |
1.20 | 2.49 | 104.2 | 1.88 | ||
2.40 | 3.62 | 99.2 | 1.81 | ||
9.38 | 4.50 | 13.71 | 96.9 | 1.96 | |
Sweroside | 9.00 | 18.73 | 103.9 | 2.81 | |
18.0 | 27.56 | 101. | 2.89 |