Stevioside C crystal form V, preparation method thereof, food combination and application
2016
The invention belongs to the technical field of sweeteners, and particularly relates to a stevioside C crystal form V, a preparation method thereof, a food combination and application. Through X-ray powder diffraction analysis measured by using Cu-K alpha ray, and 2 phi angle indicated by degree has obvious feature diffraction peaks at least at positions of 3.77, 12.87, 14.96, 18.16, 19.58 and 20.92. Comprehensive representation of the crystal form V by applying solid chemical analysis means like XRPD, DSC, TGA and DVS finds that the crystal form V has the advantages of high crystallinity, stability and water solubility and low hygroscopicity and is suitable for wider application fields. The preparation method is simple and easy to operate, and a product prepared by the method is high in crystallinity, stability and water solubility and low in hygroscopicity.
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