BRONCE, R. A.; ACOSTA, L. M. M.; DE RAMOS, D. T.; SOLIS, J. V. M.; PEREZ, I. F. R. Isolation of anthocyanin from Hibiscus rosa-sinensis flower and its utilization as food colorant. International Research Journal on Innovations in Engineering, Science and Technology, [S. l.], v. 4, p. 20–24, 2018. Disponível em: https://ojs.batstate-u.edu.ph/index.php/IRJIEST/article/view/36. Acesso em: 18 may. 2024.