Beltrán E, Pallet D, Vera E, Ruales J. Use of membrane technology and resins for the separation and purification of polyphenols purple tree tomato (Solanum betaceum Cav). Enfoque UTE [Internet]. 2016 Dec. 15 [cited 2024 Nov. 21];7(4):pp. 71 - 85. Available from: https://ingenieria.ute.edu.ec/index.php/revista/article/view/115