Anti-depression pharmaceutical composition containing polygala extract
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United States of America Patent
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Jun 28, 2005
Grant Date -
Jul 17, 2003
app pub date -
Jan 3, 2003
filing date -
Jan 11, 2002
priority date (Note) -
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Abstract
A pharmaceutical composition contains a therapeutically effective amount of an active ingredient, in admixture with a pharmaceutically acceptable carrier or diluent for the active ingredient, in which the active ingredient is i) a polar solvent extract of Polygala, the polar solvent being water or a mixture of water and methanol or ethanol; ii) an aqueous fraction resulting from an extraction of the polar solvent extract with an organic solvent; iii) an organic eluate by introducing the polar solvent extract or the aqueous fraction into a reverse phase chromatography column, and eluting the column with water and an organic solvent; or iv) a filtrate having a molecular mass less than 30000 in the organic eluate.
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