Santini, Jr., Rafael, and Alice Huyke. “Identification of the Anthocyanin Present in the Acerola Which Produces Color Changes in the Juice on Pasteurization and Canning”. The Journal of Agriculture of the University of Puerto Rico 40, no. 3 (July 1, 1956): 171–178. Accessed August 14, 2022. https://revistas.upr.edu/index.php/jaupr/article/view/13798.