Álvarez Armenta, Rosario, and Cecilia Beatriz Peña-Valdivia. 2009. “Structural Polysaccharides in Xoconostle (Opuntia Matudae) Fruits With Different Ripening Stages”. Journal of the Professional Association for Cactus Development 11 (January):26-44. https://doi.org/10.56890/jpacd.v11i.111.