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Vitamin C pp 21-28 | Cite as

Metabolism and Metabolic Interactions of Vitamin C

  • A. M. Bode
  • J. G. G. Vethanayagan
Conference paper

Abstract

Ascorbic acid is the most effective, least toxic, water-soluble antioxidant “free radical scavenging” vitamin known. It is important in the prevention of scurvy [1], in the processes of collagen synthesis [2], norepinephrine synthesis [3], amidation of peptide hormones [4], and regeneration of vitamin E [5] and provides protection against oxidative damage in a variety of tissues, including the eye (reviewed in [6]). Even though since 1990 over 5000 research studies have appeared, more information is needed regarding the mechanisms of vitamin C metabolism, the dietary requirement for maintaining optimal health, and the causes of deficiencies in disease states (reviewed in [7]). A major research focus in our laboratory is to determine the role of ascorbate in maintaining healthy physiologic function. A long-term goal is to understand the metabolic interactions of ascorbate with other antioxidant molecules (e.g., glutathione) under normal and disease conditions (e.g., diabetes) which result in an alteration in antioxidant metabolism. The following text will give a condensed background of what is known regarding ascorbate metabolism.

Keywords

Protein Disulfide Isomerase Dehydroascorbic Acid Dehydroascorbate Reductase Diabetic Liver Bovine Corneal Endothelium 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Italia, Milano 1998

Authors and Affiliations

  • A. M. Bode
    • 1
  • J. G. G. Vethanayagan
    • 1
  1. 1.Department of Physiology, School of Medicine and Health SciencesUniversity of North DakotaGrand ForksUSA

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