Research Article
Quality Assessment of Ojeok-San, a Traditional Herbal Formula, Using High-Performance Liquid Chromatography Combined with Chemometric Analysis
Table 4
Recovery of the marker compounds of OJS (
).
| Compound | Initial concentration (g/mL) | Spiked concentration (g/mL) | Detected concentration (g/mL) | Recovery (%) | RSD (%)a |
| Gallic acid | 1.90 | 1.00 | 2.88 | 98.05 | 2.28 | 2.00 | 3.82 | 96.15 | 3.65 | Protocatechuic acid | 0.39 | 1.00 | 1.41 | 102.22 | 1.75 | 2.00 | 2.47 | 104.16 | 0.88 | Chlorogenic acid | 6.52 | 2.00 | 8.37 | 92.74 | 1.21 | 4.00 | 10.36 | 95.89 | 1.08 | Albiflorin | 3.62 | 2.00 | 5.57 | 97.19 | 1.41 | 4.00 | 7.61 | 99.59 | 2.80 | Paeoniflorin | 15.89 | 10.00 | 25.84 | 99.54 | 1.86 | 20.00 | 34.91 | 95.12 | 0.78 | Ferulic acid | 3.75 | 2.00 | 5.65 | 95.33 | 1.09 | 4.00 | 7.53 | 94.58 | 0.24 | Liquiritin | 16.01 | 5.00 | 20.98 | 99.43 | 1.74 | 10.00 | 25.16 | 91.55 | 0.43 | Benzoic acid | 6.72 | 3.00 | 9.59 | 95.74 | 1.91 | 6.00 | 12.84 | 101.90 | 1.70 | Nodakenin | 8.98 | 5.00 | 13.74 | 95.28 | 1.03 | 10.00 | 18.40 | 94.27 | 0.77 | Hesperidin | 61.70 | 20.00 | 81.66 | 99.77 | 0.28 | 40.00 | 99.80 | 95.26 | 0.56 | Naringin | 62.30 | 20.00 | 82.34 | 100.19 | 0.72 | 40.00 | 99.63 | 93.32 | 0.38 | Neohesperidin | 36.31 | 15.00 | 50.24 | 92.90 | 0.18 | 30.00 | 66.90 | 101.97 | 0.07 | Ononin | 0.56 | 1.00 | 1.50 | 94.75 | 0.05 | 2.00 | 2.52 | 98.29 | 0.35 | Oxypeucedanin hydrate | 7.18 | 1.00 | 8.11 | 93.19 | 2.25 | 2.00 | 9.14 | 97.97 | 2.43 | Cinnamic acid | 0.94 | 1.00 | 1.92 | 97.97 | 0.84 | 2.00 | 2.93 | 99.43 | 0.25 | Byakangelicin | 4.95 | 1.00 | 5.94 | 99.43 | 1.40 | 2.00 | 6.96 | 100.58 | 1.67 | Cinnamaldehyde | 1.66 | 1.05 | 2.63 | 92.64 | 1.97 | 2.10 | 3.66 | 95.06 | 1.17 | Benzoylpaeoniflorin | 0.38 | 1.00 | 1.39 | 100.55 | 1.19 | 2.00 | 2.40 | 100.85 | 1.95 | Glycyrrhizin | 23.08 | 3.00 | 26.00 | 97.50 | 0.47 | 6.00 | 29.19 | 101.91 | 0.83 |
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RSD (%) = (SD/mean) 100.
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