Bioactivity of Essential Oils from Leaves of Dryobalanops lanceolata, Cinnamo…

This research aimed to examine the bioactivity of essential oils. The essential oils obtained from the leaves of Dryobalanops lanceolata, Cinnamomum burmannii, Cananga odorata, and Scorodocarpus borneensis by steam distillation method. This research used antioxidant and antimicrobial test. The antioxidant activity was assayed by DPPH (1,1-diphenyl-2-picryhydraziyl) and using ascorbic acid as po…