Analysis of Vitamin C Levels in Red Dragon Fruit Jam (Hylocereus polyrhizus) with the Addition of Moringa oleifera Leaves Extract as an Antioxidant Source. (2026). Biocity Journal of Pharmacy Bioscience and Clinical Community, 4(2), 59-64. https://doi.org/10.30812/biocity.v4i2.6052