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Ascorbate is an excellent one-electron reducing agent that can spare tocopherol. AscH− can intercept the primary oxidants (In(ox)) that can initiate free radical-mediated lipid oxidation, right. This would spare TOH as the need for its reducing capacity would be lessoned. AscH− can also recycle tocopherol by reducing TO• back to TOH, not allowing TO• to be oxidized further and then in turn go on to form irreversible products and be lost.
