Table 2.
Analytes | Intra-day RSD% | Inter-day RSD% | Accuracy (n = 9) | Repeatability (n = 6) | |||
---|---|---|---|---|---|---|---|
Day 1 | Day 2 | Day 3 | |||||
Pa | Pa | Pa | Pa | Mean recovery | RSD% | RSD% | |
UV detector | |||||||
Loganic acid | 1.13 | 2.09 | 2.36 | 1.58 | 102.6 % | 1.93 | 1.79 |
Swertiamarin | 1.53 | 1.72 | 1.97 | 1.46 | 101.8 % | 2.62 | 1.88 |
Gentiopicroside | 1.74 | 1.85 | 2.27 | 1.38 | 98.7 % | 1.77 | 1.69 |
Isoorientin | 1.22 | 2.21 | 2.33 | 2.25 | 102.2 % | 2.56 | 1.71 |
Isovitexin | 1.27 | 1.85 | 1.76 | 1.64 | 97.3 % | 2.13 | 2.07 |
MRM | |||||||
Loganic acid | 1.26 | 1.58 | 1.71 | 1.57 | 99.3 % | 1.99 | 1.86 |
Swertiamarin | 1.45 | 1.31 | 1.67 | 1.78 | 100.9 % | 1.86 | 1.22 |
Sweroside | 1.48 | 1.37 | 1.94 | 0.76 | 101.4 | 1.78 | 1.85 |
Isoorientin | 0.95 | 1.08 | 1.88 | 1.21 | 98.7 % | 2.14 | 1.29 |
Isovitexin | 1.66 | 1.33 | 1.92 | 1.59 | 98.9 % | 1.98 | 2.24 |
Pa: peak areas