Triplet excited states and singlet oxygen production by analogs of red wine Pyranoanthocyanins - Silva, Gustavo Thalmer de Medeiros; Thomas, Suma S; Silva, Cassio Pacheco da; Schlothauer, Jan C; Baptista, Maurício da Silva; Freitas, Adilson A; Bohne, Cornelia; Quina, Frank Herbert (Photochemistry and Photobiology, 2019)