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The yield and mixing portion of herbal medicines comprising Yeokwisan.
| Herb | Extraction solvent | Yield (%) | Mixture portion (%) |
|---|---|---|---|
| Poncirus trifoliata Rafinesque | 60% EtOH | 17.2 | 16.4 |
| Scutellaria baicalensis Georgi | 60% EtOH | 50.4 | 47.8 |
| Glycyrrhiza uralensis Fischer | 60% EtOH | 30.0 | 21.4 |
| Massa medicata Fermentata | 60% EtOH | 11.3 | 11.1 |
| Phyllostachys bambusoides Sieb. et Zucc | 60% EtOH | 2.2 | 1.9 |
| Ostrea gigas Thunberg | Boiled water | 0.4 | 1.4 |
