This study aims to know the best physical characteristics and antimicrobial activity of porang glucomannan edible film treated with various chitosan and lemongrass extracts. This research uses two factors. Factor A, namely the type of antimicrobial substance (chitosan and lemongrass extract) and factor B, namely the concentration of the type of antimicrobial substance (0.5%, 1%, 1.5% and 2%) an…