The effect of hydrolysis duration on the antibacterial activity of swamp eel head protein hydrolysate produced by papain against histamine-producing bacteriaWitya Hafifani, Indun D. Puspita and Masagus M. P. PutraE3S Web Conf., 322 (2021) 04005DOI: https://doi.org/10.1051/e3sconf/202132204005