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Concentration of Natural Products

Episode 2

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Focus on the step of extract/fraction concentration by removing solvent using rotary evaporation. Learn why this process is necessary and how to perform it efficiently. In-depth topics covered:
  • Workflow of natural products: sampling & crushing; extraction & concentration; fractionation & purification; structure identification; product packaging
  • Purpose and benefits of extract/fraction concentration by rotary evaporation
  • Challenges and solution to lower efficiency, foaming, bumping, unstable vacuum pressure
  • Tips for optimal values of temperature difference, pressure, flask size, rotation speed and condenser loading





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