A - Human Necessities – 23 – L
Patent
A - Human Necessities
23
L
A23L 1/236 (2006.01) C07H 1/08 (2006.01)
Patent
CA 2655440
Exemplary embodiments of this invention encompass a method for purifying crude rebaudioside A. In particular, this invention relates to a method for purifying crude rebaudioside A compositions comprising purities from approximately 40 % to approximately 95 % rebaudioside A to obtain a substantially pure rebaudioside A product with a single crystallization step. Resulting polymorph and amorphous forms of rebaudioside A and methods for preparing polymorph and amorphous forms of rebaudioside A from crude rebaudioside A compositions and substantially pure rebaudioside A compositions also are disclosed.
Des modes de réalisation à titre d'exemples de cette invention comprennent un procédé de purification du rebaudioside brut A. En particulier, cette invention porte sur un procédé de purification des compositions de rebaudioside A brut ayant des puretés allant d'environ 40 % à environ 95 % de rebaudioside A afin d'obtenir un produit de rebaudioside A sensiblement pur grâce à une seule étape de cristallisation. L'invention concerne également les formes polymorphes et amorphes résultantes de rebaudioside A et les procédés de préparation des formes polymorphes et amorphes de rebaudioside A à partir de compositions de rebaudioside A brut et de compositions de rebaudioside A sensiblement pur.
Dubois Grant E.
King George A.
Prakash Indra
Upreti Mani
Sim & Mcburney
The Coca-Cola Company
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