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Effects of catechins (Cat) on polysulfide production from H2S. (A) Polysulfides are concentration-dependently produced by epicatechin (EC), epigallocatechin (EGC) and epigallocatechin gallate (EGCG) when incubated with 1 mM H2S. (B) In the presence of 100 μM catechins, polysulfides are only produced when H2S = 100 μM. Mean ± SE, n = 4 wells per treatment; error bars may be hidden by symbols. Bar graphs show effects at 90 min.
