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Effects of extraction times on extraction rate of oxymatrine.
| Extraction times | Microwave-assisted extraction (10 min) | Soaking 30 min without MAE | ||
|---|---|---|---|---|
| Extraction rate (%) | RSD (%) (n = 3) | Extraction rate (%) | RSD (%) (n = 3) | |
| 1 | 65.41 | 3.71 | 58.62 | 4.9 |
| 2 | 30.78 | 0.80 | 8.74 | 1.9 |
| 3 | 2.57 | 1.61 | 4.20 | 7.0 |
| 4 | 0.93 | 8.82 | 0.97 | 9.8 |
| 5 | 0.32 | 9.65 | 0.38 | 8.6 |
| Total | 100 | 72.91 | ||
