Lignin from Morinda citrifolia leaves: Physical and chemical characterization, in vitro evaluation of antioxidant, cytotoxic, antiparasitic and ultrastructural activities

Paula Roberta da Silva, Maria do Carmo Alves de Lima, Thammyris Pires de Souza, Jana Messias Sandes, Alice da Conceição Alves de Lima, Pedró José Rolim Neto, Fábio André Brayner dos Santos, Luiz Carlos Alves, Rosali Maria Ferreira da Silva, George Jackson de Moraes Rocha, Iranildo José da Cruz Filho