Use of aster extract in the treatment of opioid-induced constipation
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United States of America Patent
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Sep 29, 2015
Grant Date -
Jun 28, 2012
app pub date -
Dec 23, 2011
filing date -
Dec 23, 2010
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Abstract
Disclosed herein is the use of an extract from an Aster species for the preparation of a medicament for the treatment of opioid-induced constipation. The extract is extracted from fresh and/or dried roots and rhizomes of a Tatarian aster (Aster tartaricus) plant, in which the extraction uses water or 40-95% (v/v) ethanol as an extractant to obtain an extraction mixture. In some embodiments, the extraction mixture is then eluted with water followed by at least one eluent.
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