Physico-chemical evaluation of gymnemic acids nanocrystals
by R. Ravichandran
International Journal of Nanoparticles (IJNP), Vol. 3, No. 3, 2010

Abstract: Lyophilised gymnemic acids nanocrystals were intensively evaluated regarding their physicochemical properties with respect to particle size analyses, crystallinity, kinetic solubility and dissolution behaviour, and compared with microcrystals. The particle size was determined by photon correlation spectroscopy (PCS) and laser diffraction (LD). DSC and X-ray diffraction were used to study the crystalline state of gymnemic acids nanocrystals. The superior physicochemical properties observed with gymnemic acids nanocrystals over microcrystals should overcome the absorption problem in the gastrointestinal tract and increase the bioavailability.

Online publication date: Thu, 07-Oct-2010

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