del Campillo, Alice, and Conrado F. Asenjo. “The Distribution of Ascorbic Acid, Dehydroascorbic Acid, and Diketogulonic Acid in the Acerola Fruit at Different Stages of Development”. The Journal of Agriculture of the University of Puerto Rico 41, no. 3 (July 1, 1957): 161–166. Accessed August 11, 2022. https://revistas.upr.edu/index.php/jaupr/article/view/12614.