Medicament containing taraxacum plant root extract for treatment or prevention of cancer, and method for preparing same
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United States of America Patent
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Jan 15, 2019
Grant Date -
Jan 8, 2015
app pub date -
Feb 8, 2013
filing date -
Feb 10, 2012
priority date (Note) -
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Abstract
The present invention relates to an improved method for preparing a medicament comprising a Taraxacum plant root extract for the treatment or prevention of a cancer. In one aspect, the method comprises freezing Taraxacum plant root to obtain a frozen root stock, said freezing step being selected to effect at least partial disruption of one or more root cells; dry grinding the frozen root stock to obtain a ground root powder, wherein during said dry grinding step the frozen root stock is maintained at a grinding temperature below about 40° C.; steeping the ground root powder with a solvent to obtain a suspension having a liquid extract portion and a solid particle portion; and separating the liquid extract portion from the solid particle portion to provide a separated liquid extract for use in the medicament.
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