Reference: Nabais, P., Oliveira, J., Piña, F., Teixeira, N., de Freitas, V., Brás, N. F., Clemente, A., Rangel, M., Silva, A. M. S., & Melo, M. J. (2020). A 1000-year-old mystery solved: Unlocking the molecular structure for the medieval blue from Chrozophora tinctoria , also known as folium. Science Advances, 6(16).
