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Antioxidant role of dehydroascorbic acid reductase in insects

Authors
Journal
Biochimica et Biophysica Acta (BBA) - General Subjects
0304-4165
Publisher
Elsevier
Publication Date
Volume
1156
Issue
2
Identifiers
DOI: 10.1016/0304-4165(93)90142-u
Keywords
  • Ascorbic Acid
  • Dehydroascorbic Acid Reductase
  • Selenium-Dependent Glutathione Peroxidase
  • Glutathione Transferase
  • Catalase
  • Hydrogen Peroxide
  • (Insect)

Abstract

Abstract Dehydroascorbic acid reductase, which catalyses the regeneration of ascorbic acid from dehydroascorbic acid, is reported here to occur widely among insects. Due to the reported absence of glutathione peroxidase in insects and the generally low affinity of catalase for hydrogen peroxide, dehydroascorbic acid reductase may play a pivotal role in the elimination of hydrogen peroxide in insects.

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