S. Bonilla Bermeo, C. Valdiviezo Rogel, L. Romero, and M. Rendón Morán, “Evaluation of tartrazine (E-102) content in orange-flavored soft drinks marketed in Guayaquil using UV–Visible spectrophotometry”., INQUIDE, vol. 8, no. 02, pp. 53–65, Jul. 2026, doi: 10.53591/iqd.v8i02.3499.