Research Article
Simultaneous Quantification of Ten Active Components in Traditional Chinese Formula Sijunzi Decoction Using a UPLC-PDA Method
Table 2
Precision, repeatability, and stability of ten compounds in SJZT (
).
| | Analytes | | Precision | | Repeatability RSD (%) | Stability RSD (%) | | Levels (ug/mL) | Intraday RSD (%) | Interday RSD (%) |
| | Ginsenoside Rg1 | 7.03 | 1.05% | 0.29% | 0.98% | 1.01% | | 37.50 | 0.30% | 0.20% | | 240.00 | 0.85% | 1.04% |
| | Ginsenoside Re | 7.08 | 0.60% | 0.22% | 0.87% | 1.04% | | 37.76 | 0.36% | 0.42% | | 241.68 | 0.81% | 0.93% |
| | Ginsenoside Rb1 | 7.03 | 0.28% | 0.22% | 1.20% | 0.92% | | 37.50 | 0.17% | 0.16% | | 240.00 | 1.15% | 0.98% |
| | Liquiritin | 2.12 | 0.33% | 0.70% | 0.48% | 0.57% | | 11.29 | 0.54% | 0.35% | | 72.24 | 1.18% | 1.03% |
| | Liquiritigenin | 2.04 | 0.83% | 0.70% | 0.27% | 0.92% | | 10.88 | 0.39% | 0.49% | | 69.60 | 0.39% | 0.31% |
| | Glycyrrhizic acid | 2.58 | 0.91% | 1.04% | 0.28% | 0.73% | | 13.75 | 0.21% | 1.13% | | 88.00 | 0.71% | 0.72% |
| | Atractylenolide III | 1.38 | 1.08% | 0.46% | 0.63% | 0.84% | | 7.38 | 0.96% | 0.50% | | 47.20 | 0.93% | 0.83% |
| | Atractylenolide I | 1.67 | 1.03% | 0.58% | 0.81% | 0.92% | | 8.93 | 1.07% | 0.97% | | 57.12 | 0.87% | 0.72% |
| | Atractylenolide II | 1.19 | 1.03% | 0.64% | | | | 6.33 | 0.63% | 0.62% | | | | 40.48 | 0.97% | 0.72% | | |
| | Pachymic acid | 4.69 | 0.52% | 0.48% | | | | 25.00 | 0.97% | 1.10% | | | | 160.00 | 0.61% | 0.37% | | |
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RSD: relative standard deviation.
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