GLASS TRANSITION TEMPERATURE FRAP MICROSTRUCTURE ARROWROOT STARCH MANGO FT-IR ANALYSIS WATER VAPOUR PERMEABILITY FTIR ANALYSIS CAST-TYPE DRYING ANTHOCYANINS ARROWROOT ANTYOXIDANT SPRAY DRYING GUM ARABIC MORPHOLOGY MICROENCAPSULATION INCORPORATION PROPERTIES MICROPARTICLE ANTIOXIDANT CAPACITY CASTING CAPSAICIN PACKAGING ORAC IN VIVO STUDY SPRAY DRYER MALTODEXTRIN WATER SOLUBILITY ANTIOXIDANT COMPOUNDS