volves either monooxygenase or dioxygenase activities (Levine et al., 1996b).
As a cofactor for hydroxylase and oxygenase metalloenzymes, ascorbic acid is believed to work by reducing the active metal site, resulting in reactivation of the metal-enzyme complex, or by acting as a co-substrate involved in the reduction of molecular oxygen. The
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"5 Vitamin C."
Dietary Reference Intakes for Vitamin C, Vitamin E, Selenium, and Carotenoids.
Washington, DC: The National Academies Press, 2000.
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