Tembesu (Fagraea fragrans Roxb) are widely grown in the Ogan Ilir area, South Sumatra. Tembesu fruit is a plant that contains alkaloid compounds and has many benefits as herbal medicine. This research aims to identify the alkaloid compounds contained in the tembesu fruit and the antibacterial activity against Staphylococcus aureus and Pseudomonas aeruginosa bacteria. Alkaloids are known as orga…