Rukam (Flacourtia rukam Zoll. & Mor.) is one of the forest plants from East Kalimantan which has the characteristic of edible fruit and red leaf shoots. There is still no research on the compounds and activities of the leaf shoots of F. rukam. The aim of this study was to identify secondary metabolites of F.rukam leaf shoots and their antioxidant activity. Qualitative phytochemical testing methods with color changes were carried out to identify secondary metabolites. Antioxidant activity test was determined by using DPPH method (2,2-diphenyl-1-picrylhydrazyl). Phytochemical test results from leaf shoots of F.rukam showed the presence of alkaloids, flavonoids, triterpenoids, tannins and carbohydrates. The antioxidant activity of F.rukam leaf shoots at concentrations of 25, 50, 100 μg/mL was 84, 86, 88% compared to vitamin C 92,94, 95%. This showed that the leaf shoots of F. rukam have a promising potential for antioxidant activity.
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