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Overview on the extraction experiments for Senecio by Hartmann et al. Results correspond to the content of free PA bases determined by GC-MS, and N-oxides by HPLC-UV [72]. Missing information is characterized by “--”.
| Technique | Sample (g) |
Volume (mL) | Time (h) | Temperature (°C) | Solvent | Result (%) | |
|---|---|---|---|---|---|---|---|
| 1 | Maceration | 6–10 | 20 | 0.5 | Room Temperature | Sulfuric Acid 0.1 N | 5 * |
| 2 | Soxhlet | -- | -- | 48 | Boiling Point | Methanol | 44 * |
* percentage of free bases with reference to the overall PA content.
