PENENTUAN AKTIVITAS ANTIOKSIDAN DARI DAUN BUAS-BUAS (Premna serratifolia L.) MENGGUNAKAN METODE DPPH (2,2-diphenyl-1-picrylhydrazyl)

Isnindar Isnindar (Faculty of Medicine, Study Program of Pharmacy, Unversitas of Tanjung Pura)
Subagus Wahyuono (Faculty of Pharmacy, Universitas Gadjah Mada)
Sitarina Widyarini (Faculty of Animal Medicine, Universitas Gadjah Mada)
Yuswanto Yuswanto (Faculty of Pharmacy, Universitas Gadjah Mada)

Majalah Obat Tradisional
Vol 21, No 3 (2016)

Antioxidant is a substance that in small concentrations can significantly inhibit or prevent oxidation on the substrate. Buas-buas (Premna serratifolia L.) is one of the plants that have antioxidant effect. The antioxidant activities of the wasbenzen and ethanol extracts of buas-buas leaves were determined by DPPH method using spectrophotometer UV-Vis. Data resulted from the analysis of antioxidant activity (IC50) is 532.24 μg/mL of wasbenzen extract, 24.40 μg/mL of ethanol extract, and 1.83 μg/mL of vitamin C.