Furthermore, singlet oxygen is very powerfully
quenched by carotenoids, especially b-carotene. In the
case of phenolic compounds, the ability of the phenolics
to act as antioxidants depends on the redox properties of
their phenolic hydroxyl groups, that allow them to act as
reducing agents, hydrogen-donating antioxidants, oxygen
quenchers (
Furthermore, singlet oxygen is very powerfullyquenched by carotenoids, especially b-carotene. In thecase of phenolic compounds, the ability of the phenolicsto act as antioxidants depends on the redox properties oftheir phenolic hydroxyl groups, that allow them to act asreducing agents, hydrogen-donating antioxidants, oxygenquenchers (
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