Method for preparing calcium pantothenate

Details Method for preparing calcium pantothenate Method for preparing calcium pantothenate

C - Chemistry, Metallurgy

07

C

C07C 231/24 (2006.01) A61K 31/197 (2006.01) A61P 3/02 (2006.01) A61P 17/00 (2006.01) A61P 29/00 (2006.01) C07C 235/12 (2006.01)

Patent

CA 2413413

A process for the production of crystalline calcium pantothenate which comprises subjecting a homogeneous mixture containing both crystalline calcium pantothenate and amorphous calcium pantothenate to moisture absorption. This process comprises, e.g., the following steps of: (1) mixing crystalline calcium pantothenate with amorphous calcium pantothenate to form a homogeneous mixture and (2) making the obtained homogeneous mixture absorb moisture, and permits efficient production of extremely lowly hygroscopic crystalline calcium pantothenate.

L'invention concerne un procédé de production de pentothénate de calcium cristallin consistant à soumettre un mélange homogène contenant à la fois du pentothénate de calcium cristallin et du pentothénate de calcium amorphe à une absorption d'humidité. Ce procédé comprend, par exemple, les étapes suivantes consistant: (1) à mélanger du pentothénate de calcium cristallin à du pentothénate de calcium amorphe pour former un mélange homogène et (2) à faire absorber l'humidité au mélange homogène obtenu, et il permet la production efficace de pentothénate de calcium cristallin extrêmement faiblement hygroscopique.

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