Table 1. Yield of ethanol-precipitated YHD.
| Constituent | Weight (g) | Yield (%) |
| EYHD 50% | 14.75 | 22.05% |
| EYHD 50-75% | 6.01 | 8.98% |
| EYHD 75% | 46.15 | 68.97% |
EYHD, ethanol-precipitated YiqiHuoxue decoction.
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