1. Dissolution or Dilution Method:
Powdered herbal products are dissolved or diluted in ethanol, allowed to stand, and filtered.
- Extraction tank (single layer or double jacket for faster heating).
- Duplex filter or centrifuge for particle removal.
- Transfer pump and storage tank.
2. Impregnation Method:
Crushed materials are soaked in a covered container for 3-5 days. The leachate is then combined and filtered.
- Extraction tank equipped with an agitator mixer.
- Residue material discharge system.
- Particle filtration and storage units.
3. Percolation (Diacolation) Method:
Solvent is percolated through the material until the specified volume is reached.
- Single-layer extraction tank with pneumatic discharge.
- High-precision filtration systems.
- Complete liquid transfer and storage solution.