Phytochemical Composition and Evaluation of Marine Algal Sargassum polycystum for Antioxidant Activity and In Vitro Cytotoxicity on Hela Cells, Arsianti, Ade, Bahtiar Anton, Wangsaputra Vincent Kharisma, Azizah Norma Nur, Fachri Wilzar, Nadapdap Lince Dameria, Fajrin Ajeng Megawati, Tanimoto Hiroki, and Kakiuchi Kiyomi , Pharmacognosy Journal, February  2020, Volume 12, Issue 1, p.88-94, (2020)