Triple mineral salts of (-)-hydroxycitric acid and processes for preparing the same
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United States of America Patent
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Apr 24, 2007
Grant Date -
Oct 26, 2006
app pub date -
Mar 9, 2004
filing date -
Mar 9, 2004
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Abstract
This invention relates to novel triple salts of (-)-hydroxycitric acid having the general formula 1 ##STR00001## wherein X, Y are selected from zinc or group IIA metal and Z is selected from group IA metal of the Periodic Table.Preferred salts are triple metal salts of calcium, magnesium or zinc and potassium.This invention also includes a process for preparing the triple salts by adding stiochiometric amounts of aqueous solutions of the compounds of the desired metal to an aqueous solution of (-)-HCA. Preferably an extract from garcinia fruit ring is used as a starting material.Compounds of this invention are substantially tastless, odorless and highly water soluble and find use in beverages and in neutraceuticals.
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