Safitri, M. and Susanti, E. 2023. Total Polyphenol Content of Bromelia Leaves (Neoregelia marmorata) Etanol Extract . Journal of Tropical Food and Agroindustrial Technology. 4, 01 (Jan. 2023), 13-19. DOI:https://doi.org/10.21070/jtfat.v4i01.1609.