DOI 10.3390/antiox11040738 KEYWORDS citrus waste; supercritical CO2; sequential fractionation; supercritical impregnation; antioxidant activity; antimicrobial activity ABSTRACT Some citrus by-products such as orange peel contains valuable compounds that could be recovered and restored into the food chain. In this study, an efficient valorization of orange peel has been investigated using green extraction, fractionation, and impregnation techniques. The first step included its […]