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Overview on the studies by Colegate et al. regarding optimal PA extraction for Eupatorium [31]. Missing information is characterized by “--”.
| Technique | Sample (g) |
Volume (mL) |
Time (h) | Temperature (°C) |
Solvent | Result (ppm) | |
|---|---|---|---|---|---|---|---|
| 1 | Tinctures | -- | -- | -- | Room Temperature | Ethanol/Water | Only free bases |
| 2 | Maceration | 0.2 | 10 | 16 | Room Temperature | Methanol | Reference Point |
| 3 | Infusion | 3.3 | 200 | 10 | Boiling Point. | Water | High contents |
| 4 | Decoctions | 3.3 | 200 | 10 | Boiling Point | Water | High contents |
