Arum manis mango seeds have very strong antioxidant activity with an IC50 value of 2.84 μg/mL. The strong antioxidant activity is influenced by the antioxidant compounds contained in it. This study aims to analyze the levels of vitamin C and β-carotene in arum manis mango seeds obtained from ripe fruit on trees, modern markets and traditional markets in Pekanbaru. This research method uses a …