Rudang, Singgar Ni, Indra Ginting, and Muhammad Andry. “Formulation of Natural Food Coloring Granules from Dragon Fruit Peel Extract (Hylocereus Polyrhizus) and Effectiveness Test in Reducing Blood Glucose Levels”. Jurnal Biologi Tropis 24, no. 3 (September 12, 2024): 878–891. Accessed November 23, 2024. http://jurnalfkip.unram.ac.id/index.php/JBT/article/view/7635.