Process for extraction and purification of plaunotol
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United States of America Patent
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Nov 23, 1993
Grant Date -
N/A
app pub date -
Jan 28, 1992
filing date -
Jun 14, 1990
priority date (Note) -
Expired
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Abstract
A process for the extraction and purification of the diterpene alcohol Plaunotol from the leaves of the medicinal plant, Croton sublyratus Kurz. The process involves extracting firstly with a lower aliphatic alcohol followed by extracting from the alcohol solution with a chlorinated hydrocarbon. Then impurities are hydrolysed and the required Plaunotol separated by extraction with a hydrocarbon. This process is simple and gave much better yields than prior processes.
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