| 20100152488 | High Purity (-) Hydroxycitric Acid Metal Salt Derivatives and Method of Preparation of the Same - The present invention relates to high purity (−) Hydroxycitric acid metal salt derivatives of more than 98% purity having formula II (a-e), lla; X, 2X═Na Mb; X, 2X═K Hc; X═K, Y═Ca Hd1 X═Na, Y═Ca He; X=½Mg, Y═Mg and the method of preparation of high purity (−) hydroxycitric acid metal salt derivatives from (−) hydroxycitric acid lactone having formula (1) which in turn is isolated in a simple and efficient manner from dried rinds of the fruits of | 06-17-2010 |