Effect of Myricetin, Pyrogallol, and Phloroglucinol on Yeast Resistance to Oxidative Stress

Figure 1

(a) Chemical structure of the polyphenolic compounds used in this work. (b) Effect of myricetin and simple phenols (pyrogallol and phloroglucinol) on oxidative stress resistance. Yeast cells were grown to the exponential phase in YPD medium, pretreated with compounds (300 μM) or equal volume of DMSO (control) for 15 min, and subsequently treated with 1.5 mM H₂O₂ for 1 h. Viability is expressed as the percentage of the CFU. Values are mean ± SEM of at least 3 independent assays. Values were compared by one-way ANOVA, Dunnett’s multiple comparisons test ().

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