Cited by 1,075Antioxidant Activity and Oxidative StressRedox biology and oxidative stressCancer and biochemical research

Hydrogen peroxide in the human body

Halliwell, Barry, Clement, Marie Veronique, Long, Lee Hua·2000·FEBS Letters

Abstract

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 body may be controlled not only by catabolism but also by excretion, and H 2 O 2 could play a role in the regulation of renal function and as an antibacterial agent in the urine. Urinary H 2 O 2 levels are influenced by diet, but under certain conditions might be a valuable biomarker of ‘oxidative stress’.

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Crossref · 10.1016/s0014-5793(00)02197-9

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85 of 85 references verified0 citation errors · 0 not checkable

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Authors
Halliwell, B., Clement, M. V., & Long, L. H.
Affiliations
National University of Singapore (SG)
Corresponding author
Halliwell, Barry
Venue
FEBS Letters
Publisher
Wiley
Published
2000-11-30
Volume
486
Issue
1
Pages
10-13
ISSN
  • 0014-5793 (ISSN-L)
  • 1873-3468
OpenAlex
W2017486390
Cited by
1,075
References
85
Citations by year
2026: 22 · 2025: 43 · 2024: 44 · 2023: 50 · 2022: 71 · 2021: 82 · 2020: 82 · 2019: 70 · 2018: 64 · 2017: 54 · 2016: 53 · 2015: 48 · 2014: 37 · 2013: 40 · 2012: 51
FWCI
1.91
Type
journal article
Language
en
Open access
closed
Locations
  • FEBS Letters (publishedVersion)
  • PubMed (publishedVersion)
  • National University of Singapore (submittedVersion)
Topics
  • Health Sciences › Medicine › Biochemistry › Antioxidant Activity and Oxidative Stress
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cancer and biochemical research
Keywords
hydrogen peroxide, oxidative stress, antioxidant enzymes, transition metal ions, exhaled breath, instant coffee, renal function, biomarkers
MeSH terms
Anti-Infective Agents, Local, Urinary Bladder, Blood Cells, Endothelium, Vascular, Esophagus, Eye, Gastric Mucosa, Humans, Hydrogen Peroxide, Kidney, Mouth, Respiratory System, Stomach, Urinary Tract, Oxidative Stress

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