An additional defense against exposure to UV radiation includes the production of enzymes (e.g. superoxide dismutases, catalases, and peroxidases) and scavenger molecules (e.g. vitamins C, B, and E; cysteine, glutathione), which can quench or scavenge UV-produced excited states and reactive oxygen species within the cell;
p.210; in ....
Moran M.A., Zepp R.G.; 2000; UV Radiation Effects on Microbes and Microbial Processes; in Kirchman D.L. (ed); Microbial Ecology of the Oceans; Willey-Liss Inc.; New York USA;

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