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Hydroxyl radical

Oxygen-centered radical generated when the body is exposed to γ rays or low-wavelength electromagnetic radiation.

Also: •OH

Among the most reactive biological free radicals; produced by Fenton chemistry from H2O2 plus Fe2+/Cu+. Indiscriminately attacks lipids, proteins, and DNA.

How one textbook covers it

Advanced Nutrition and Human Metabolism, 8th ed. (Gropper) — Glossary
Among the most reactive biological free radicals; produced by Fenton chemistry from H2O2 plus Fe2+/Cu+. Indiscriminately attacks lipids, proteins, and DNA.

Related terms

Free radical, Superoxide radical