Triple mineral salts of (-)-hydroxycitric acid and processes...

Organic compounds -- part of the class 532-570 series – Organic compounds – Heavy metal containing

Reexamination Certificate

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C562S580000, C514S574000, C424S439000

Reexamination Certificate

active

10525210

ABSTRACT:
This invention relates to novel triple salts of (−)-hydroxycitric acid having the general formula 1wherein 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 fromgarciniafruit 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.

REFERENCES:
patent: 5656314 (1997-08-01), Moffett et al.
patent: 6221901 (2001-04-01), Shrivastava et al.
patent: 6395296 (2002-05-01), Balasubramanyam et al.
patent: 2005/0282894 (2005-12-01), Raju
patent: 2006/0106101 (2006-05-01), Gokaraju et al.
International Search Report mailed Oct. 12, 2004.

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