Hydrogen peroxide in the human body.

  title={Hydrogen peroxide in the human body.},
  author={Barry Halliwell and M V Cl{\'e}ment and Lee Hua Long},
  journal={FEBS letters},
  volume={486 1},
Hydrogen peroxide (H(2)O(2)) is widely regarded as a cytotoxic agent whose levels must be minimized by the action of antioxidant defence enzymes. In fact, H(2)O(2) is poorly reactive in the absence of transition metal ions. Exposure of certain human tissues to H(2)O(2) may be greater than is commonly supposed: substantial amounts of H(2)O(2) can be present in beverages commonly drunk (especially instant coffee), in freshly voided human urine, and in exhaled air. Levels of H(2)O(2) in the human… CONTINUE READING


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