A method of purifying rebaudioside A method of separating a

The present invention discloses a method for separation and purification of rebaudioside A, which is the stationary phase chromatographic material using a sulfonic acid group, an aqueous solution of an organic solvent mobile phase through the column equilibration, load, elution and obtain high purity Rebaudioside glycosides A. The present invention uses a large amount of quaternary amine adsorption chromatographic material, high purity of the obtained product is suitable for industrial production.