Preparation of Medicinal Plants: Basic Extraction and ...
2020-1-29 · Consequently, when the level of solvent in the extraction chamber reaches the top of the siphon, the solvent and the extracted plant material flow back to the flask.[1,2,3,4,11,17,18] The entire process continues repeatedly until the drug is completely extracted, a point when a solvent flowing from extraction chamber does not leave any residue ...