Pemanfaatan Ekstrak Kulit Buah Naga Merah Sebagai Pewarna Alami Minuman Probi…

ABSTRACT The purpose of this research was to obtain the best and appropriate concentration of red dragon fruit peel extract as a natural dye to improve the quality of soursop probiotic drink by utilizing Lactobacillus plantarum 1 RN2-53. This research was conducted experimentally using a completely randomized design with five treatments and three replications to obtain 15 experimental unit…