de Beer, D., E. Joubert, W.C.A. Gelderblom, and M. Manley. 2017. “Phenolic Compounds: A Review of Their Possible Role As In Vivo Antioxidants of Wine”. South African Journal of Enology and Viticulture 23 (2):48-61. https://doi.org/10.21548/23-2-2155.