Preparation of fagopyritols and uses therefor

   
   

The present invention describes isolated Fagopyritol A1, isolated Fagopyritol A3, and isolated Fagopyritol B3. Compositions which include two or more of Fagopyritol A1, Fagopyritol A2, Fagopyritol A3, Fagopyritol B1, Fagopyritol B2, Fagopyritol B3, and D-chiro-inositol, at least one of which is an isolated Fagopyritol A1, isolated Fagopyritol A3, or isolated Fagopyritol B3, are also disclosed. Methods for preparing substantially pure Fagopyritol A1, Fagopyritol A3, Fagopyritol B3, or mixtures thereof from buckwheat are also described. The fagopyritols can be used to prepare pharmaceutical compositions, the administration of which can be used to treat diabetes.

La présente invention décrit Fagopyritol d'isolement A1, Fagopyritol d'isolement A3, et Fagopyritol d'isolement B3. Compositions qui incluent deux ou plus de Fagopyritol A1, de Fagopyritol A2, de Fagopyritol A3, de Fagopyritol B1, de Fagopyritol B2, de Fagopyritol B3, et d'D-chiro-inositol, au moins un dont est un Fagopyritol d'isolement A1, Fagopyritol d'isolement A3, ou Fagopyritol d'isolement B3, sont également révélés. Des méthodes pour préparer Fagopyritol essentiellement pur A1, Fagopyritol A3, Fagopyritol B3, ou mélanges de sarrasin sont également décrites. Les fagopyritols peuvent être employés pour préparer les compositions pharmaceutiques, dont l'administration peut être employée pour préparer le diabète.

 
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