EXTRACT POWDER OF INDIGO PLANT, AND ITS PREPARATION AND USES
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United States of America Patent
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Issued Date -
Feb 11, 2010
app pub date -
Nov 22, 2007
filing date -
Nov 24, 2006
priority date (Note) -
Abandoned
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Abstract
The present invention has objects to provide an extract powder of indigo plant, which has a relatively low hygroscopicity, satisfactory fluidability, and improved storage stability; a process thereof; and a composition incorporated with the extract powder. The objects are solved by a process for producing an extract powder of indigo plant, which comprises incorporating a partial starch hydrolyzate with a dextrose equivalent of 10.2 or lower into one part by weight, on a dry solid basis, of an indigo plant extract contained in a liquid extract of indigo plant in an amount of not lower than 0.25 part by weight but not higher than 5 parts by weight, on a dry solid basis, and drying the resulting mixture; an extract powder of indigo plant prepared thereby; and a composition incorporated with the extract powder.
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