Conventional Measurements of Sulfur Dioxide (SO₂) in Red Wine Overestimate SO₂ Antimicrobial Activity

Supplemental Figure 1

(A) Total, (B) "Molecular", (C) "Free", (D) molecular, and (E) free SO₂ concentrations as a function of sampling time, wine type, and SO₂ addition level. Error bars represent standard deviation of analytical replicates (n = 2).

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