J.E, Villanueva-Tiburcio, Vargas-Solórzano J.W, González-Reynoso O., Leandro-Laguna C., and Alfaro-Cruz S.C. 2016. “EFFECT OF ULTRASOUND AND THERMAL TREATMENT ON PECTIN METHYLESTERASE ACTIVITY IN PAPAYA (Carica Papaya) JUICE”. Journal of Microbiology, Biotechnology and Food Sciences 5 (5):487-90. https://doi.org/10.15414/jmbfs.2016.5.5.487-490.