Method of extracting sucrose esters from oriental tobacco
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United States of America Patent
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Issued Date -
Jun 21, 2007
app pub date -
Dec 1, 2005
filing date -
Dec 1, 2005
priority date (Note) -
Abandoned
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Abstract
The invention provides a method of extracting sucrose esters from Oriental tobacco, the method comprising: providing a Oriental tobacco material; contacting the solid Oriental tobacco material with a supercritical fluid, such as supercritical carbon dioxide, for a time and under conditions sufficient to extract sucrose esters from the Oriental tobacco into the supercritical fluid; and separating the supercritical fluid comprising extracted sucrose esters from the Oriental tobacco. The resulting extract can comprise more than 90% by weight of tetra-acyl sucrose esters, and can be used as a flavor additive for tobacco materials used in smoking articles.
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