Antioxidant activity of crude fucoidan extract from brown seaweeds (Phaeophyceae), Sargassum sp. and Turbinaria sp.Asadatun Abdullah, Agoes M. Jacoeb, Adilatul Muqorroroh and Dianty D. NanditaBIO Web Conf., 106 (2024) 02007DOI: https://doi.org/10.1051/bioconf/202410602007