Reference: Jabeur, I., Pereira, E., Caleja, C., Calhelha, R. C., Sokóvić, M., Catarino, L., Barros, L., & Ferreira, I. C. (2019). Exploring the chemical and bioactive properties of Hibiscus sabdariffa L. calyces from Guinea-Bissau (West Africa). Food & Function, 10(4), 2234–2243.