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Classification of the most common reactive species. Adapted from Sies and collaborators [38].
| Free Radicals | No Radicals |
|---|---|
| Reactive Oxygen Species | |
| Superoxide anion radical (O2¯˙) | Hydrogen peroxide (H2O2) |
| Hydroxyl radical (OH˙) | Singlet molecular oxygen (O21 ∆g) |
| Peroxyl radical (ROO˙) | |
| Reactive Nitrogen Species | |
| Nitric oxide (NO˙) | Nitrite (NO2¯) |
| Nitrogen dioxide (NO2˙) | Peroxynitrite (ONOO¯) |
