Antitussive composition and method for making the same
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United States of America Patent
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Sep 4, 2012
Grant Date -
Jul 1, 2010
app pub date -
Dec 25, 2008
filing date -
Dec 25, 2008
priority date (Note) -
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Abstract
An antitussive composition is provided. A pharmaceutical composition for relieving, preventing and/or treating a cough includes a sufficient amount of the Morus australis Poir extract as an active component. The effective Morus australis Poir extract is prepared by extracting the root-bark of the Morus australis Poir with water, ethanol, acetone, ethyl acetate, or a combination thereof. The crude extract can be further fractioned by ultrafiltration or reverse phase column.
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