JORDÃO, A.; CORREIA, A. Relationship Between Antioxidant Capacity, Proanthocyanidin and Anthocyanin Content During Grape Maturation of Touriga Nacional and Tinta Roriz Grape Varieties. South African Journal of Enology and Viticulture, [S. l.], v. 33, n. 2, p. 214–224, 2016. DOI: 10.21548/33-2-1121. Disponível em: https://www.journals.ac.za/sajev/article/view/1121. Acesso em: 28 feb. 2026.