ABSTRACT The purpose of this study was to determine the best treatment of the amount of bacteriocins from Lactobacillus plantarum which can be used as a natural preservative in tofu. This research used a completely randomized design (CRD) with four treatments and four replications. The treatment consisted of B1(0%), B2(0,2%), B3(0,3%), and B4(0,4%). The parameters observed were moisture, …