[1]
R. A. Bronce, L. M. M. Acosta, D. T. De Ramos, J. V. M. Solis, and I. F. R. Perez, “Isolation of anthocyanin from Hibiscus rosa-sinensis flower and its utilization as food colorant”, IRJIEST, vol. 4, pp. 20–24, Dec. 2018.