Preformulation Study of 50% Ethanol Extract of Mangosteen Rind (Garcinia mangostana L.)

Garcinia mangostana rind containing alpha-mangostin has the potential to be used as an antioxidant. This study aimed to determine the physicochemical properties and stability of alpha-mangosteen in the 50% ethanol extract of mangosteen rind as a parameter in the pre-formulation study. Physicochemica