Effervescent Formulation of Oil Palm Leaf Extract as a Free Radical ScavengerMohamad Fahmi Fairul Azim, Khusnul Khairun Nisa, Sri Hayati, Nisrina Lutfi Apriliani, Achmad Dwi Afandi and Widi AstutiE3S Web Conf., 576 (2024) 06016DOI: https://doi.org/10.1051/e3sconf/202457606016