Extraction of active ingredients using supercritical CO₂

Extraction of active ingredients using supercritical CO₂

Igl-Schmid, N.; Schulmeyr, J.; Wuzik, A.
Kooperationsforum Natürliche Inhaltsstoffe Okt 2011 in Traunreut
http://bayern-innovativ.de/ingredients2011

Introduction:
Solvents are usually inorganic or organic liquids which are able to extract other gaseous, liquid or solid substances from a mixture. Moreover inert gases are conceivable as solvents. To be effective as a solvent a liquid like density has to be induced at increased pressures. Especially for the separation of sensitive functional substances for pharmaceutical purposes or for foodstuff the gentle extraction process with supercritical CO₂ is applied.

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