Extraction of biologically active components from Camptotheca acuminata with supercritical fluids
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United States of America Patent
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Aug 29, 2000
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N/A
app pub date -
Jun 30, 1998
filing date -
Jul 1, 1997
priority date (Note) -
Expired
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Abstract
An extraction technique for the isolation of Camptothecin from plant matter of the Camptotheca Acuminata. The plant matter is loaded into a high-pressure vessel of a supercritical fluid extraction system and is pressurized with supercritical carbon dioxide to extract plant waxes or other waste. A modifier, preferably methanol, is then added resulting in the extraction of the Camptothecin into the solvent.
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