Extraction & Isolation Techniques

Chapter Objectives

  1. Explain the principle governing extraction of phytoconstituents from plant matrices.
  2. Compare conventional extraction methods (maceration, Soxhlet, sequential extraction) with modern green techniques.
  3. Justify solvent selection based on the polarity of the target phytoconstituent class.
  4. Describe column chromatography and preparative HPLC as isolation and purification tools.
  5. Explain yield optimisation and the application of ICH Q3C solvent classification to herbal extraction.