Abstract
The leaf stalk of Talas padang (Colocasia gigantea) is used as a vegetable in parts of Southeast Asia. It leaves has been reported as one of potential natural sources to treat diabetes mellitus, hypertension, immune disease, and cancer. This study aims to determine phytochemical screening and 1,1-diphenyl-2-dipicrylhydrazyl (DPPH) test of C. gigantea leaf simplicial and extract. The study was carried out extraction by maceration method using ethanol (96%) followed by phytochemical screening and DPPH test. Both of simplicial and extract contained of alkaloids, glycoside, flavonoids, tannins, saponins, steroids/terpenoids. extract showed weak antioxidant activity as indicated by the assay DPPH value of 143.29 ppm.
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