Process for preparing conjugated linoleic acid and derivatives thereof from ricinoleic acid
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United States of America Patent
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Jun 19, 2012
Grant Date -
Feb 11, 2010
app pub date -
Dec 5, 2006
filing date -
Dec 5, 2005
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Abstract
A process for preparing conjugated linoleic acid (CLA) or derivatives thereof from ricinoleic acid, lower alkyl esters of ricinoleic acid, or salts thereof. The CLA is formed by reacting a carboxylic acid, or anhydride, anhydride equivalent, or ester thereof with the ricinoleic acid or derivative to form an intermediate having a carboxylic ester at the 12-hydroxy position of the ricinoleic acid or derivative, and reacting the intermediate with a base to form a cis-9, trans-11 conjugated linoleic acid.
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