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Extraction recovery and matrix effect of ZGS1 and ZGS2 in rat plasma (n = 5).
| Compound | Concentration (ng/mL) | Recovery (%) | RSD (%) | IS Normalized Matrix Factor (%) | RSD (%) |
|---|---|---|---|---|---|
| Ziyuglycoside I | 10 | 96 | 3.63 | 105 | 5.26 |
| 800 | 96 | 2.76 | 104 | 3.22 | |
| 1600 | 98 | 2.42 | 103 | 4.27 | |
| Ziyuglycoside II | 10 | 102 | 4.09 | 100 | 7.55 |
| 800 | 98 | 4.60 | 106 | 4.24 | |
| 1600 | 100 | 3.68 | 107 | 2.27 | |
| α-hederin (IS) | 800 | 94 | 2.71 |
