Process for preparing highly water soluble double salts of hydroxycitric acid particularly alkali and alkaline earth metal double salts
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United States of America Patent
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Apr 5, 2005
Grant Date -
Nov 18, 2004
app pub date -
Mar 19, 2004
filing date -
May 12, 2003
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Abstract
This invention relates to a novel process for preparing highly water soluble alkaline earth metal and alkali metal double salts of hydroxycitric acid. These salts are practically odourless and has negligible taste and are therefor useful as nutraceuticals. Aqueous extract of the fruits belonging to Garcinia species are treated to precipitate its alkaline earth metal salts such as the calcium salt. This sparingly soluble product is dissolved in alkali hydroxide and the pH of the solution is adjusted by adding purified extract of the fruit rind. Ca/Na or Ca/K double salts are particularly useful.
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