Spray drying
Solutions were spray-dried in a Buchi B-290 mini spray dryer (Buchi, Flawil, Switzerland) at constant air inlet temperature of 190+2 C and outlet temperature of 90+2 C. The solution A containing mangiferin and GLDg and the solution B containing mangiferin GLDgS were kept under magnetic agitaition at room temperature and fed into the main chamber through a peristaltic pump with spray flow feed rate 10 ml/min and aspirator 95% 200 mg of sample were filled manually into empty hard gelatin capsules.