Because the occurrence of enzymatic oxidations during CS can outweigh its positive effects on phenolic extraction (Casassa & Sar 2014), the working hypothesis of this study was that the potential benefits of CS may be realized when combined with higher son additions. To test this hypothesis, we combined CS with two So2 additions, one considered standard (50 mg L 1), and the other considered above-average (100 mg L 1) in two red wine cvs Bar- bera D'Asti and Malbec, which have very distinctive anthocyanin concentrations.