Optimization of heat- and ultrasound-assisted extraction of anthocyanins from Hibiscus sabdariffa calyces for natural food colorants

José Pinela; Miguel A. Prieto; Eliana Pereira; Inés Jabeur; Maria Filomena Barreiro; Lillian Barros; Isabel Cristina Fernandes Rodrigues Ferreira

doi:10.1016/j.foodchem.2018.09.118

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