Method for producing calcium pyruvates

C - Chemistry – Metallurgy – 07 – C

Patent

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C07C 51/41 (2006.01) A61K 31/19 (2006.01) C07C 59/19 (2006.01)

Patent

CA 2296017

The invention relates to a method for producing calcium pyruvates, wherein calcium salts of organic acids or acid organic keto or hydroxy compounds are reacted with pyruvic acid at a temperature ranging from -20 to +120 ~C, optionally in the presence of a diluent or a solvent. This enables the production of highly pure calcium pyruvates which can be substantially water- free and exhibit very good storage stability. Said calcium pyruvates are used to increase stamina and vigour in the field of sports, to reduce weight and fat, and as protective substance for body cells and tissues and as substance for inhibiting the formation of free radicals, as well as free radical scavenger in body cells and tissues in health care and as food additive.

L'invention concerne un procédé pour la préparation de pyruvates de calcium, dans lequel on fait réagir des sels de calcium d'acides organiques ou bien de composés céto ou hydroxy organiques acides avec de l'acide pyruvique dans la plage de température allant de - 20 à + 120 ·C, éventuellement en présence d'un diluant ou d'un solvant. On peut ainsi préparer des pyruvates de calcium de grande pureté, qui peuvent être largement anhydres et qui présentent une très bonne stabilité au stockage. Ces pyruvates de calcium s'utilisent pour accroître l'endurance et la vigueur dans le domaine du sport, pour réduire le poids et la graisse, ainsi que comme substance protectrice pour les cellules corporelles et les tissus et comme substance pour inhiber la formation de radicaux, ainsi que comme substance phagocyte de radicaux libres dans les cellules corporelles et les tissus, dans le domaine de la santé et comme complément alimentaire.

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