Naderi N, Stintzing F, Ghazali H, Manap YA, Jazayeri S. Betalain extraction from Hylocereus polyrhizus for natural food coloring purposes. J PROF ASSOC CACTUS [Internet]. 2010 Jul. 30 [cited 2025 Oct. 24];12:143-54. Available from: https://jpacd.org/jpacd/article/view/104