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,
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