ABSTRACT Sargassum sp. is one of brown seaweed that contains bioactive compounds. The bioactive compounds in seaweed acts as a food and non-food (pharmaceutical) ingredient. This study was aimed to identify bioactive compounds (flavonoids, alkaloids, steroids/terpenoids, saponins, and phenols), total phenolics, antioxidant activity, and alpha-glucosidase inhibitors from the crude extract of Sa…