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A 1000-year-old mystery solved: Unlocking the molecular structure for the medie...
Nabais, P.; Oliveira, J.; Pina, F.; Teixeira, N.; de Freitas, V.; Brás, N. F.; Clemente, A.; Rangel, M.; Silva, A. M. S.; Melo, M. J.The molecular structure of the medieval watercolor known as folium has finally been solved in the 21st century. The interdisciplinary approach taken was the key to producing extracts that had been prepared following medieval instructions, and shows the blue/purple chromophore as the major dye in Chrozophora tinctoria fruits (shell). A multi-analytical characterization of its structure was made using HPLC-DAD-MS...
Date: 2020
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Origin: Repositório da Universidade de Lisboa