Abstract
Hopkins and Morgan1 showed that the juices of cauliflower and cabbage contain an enzyme which catalyses the reduction of dehydroascorbic acid (DHA) by glutathione (GSH). Crook2 determined the properties of this reductase and separated it from the associated ascorbic acid oxidase. In further work Crook and Morgan3 examined thirty species of plants for the presence of the enzyme. This survey included extracts of barley grain and sprouted wheat grain and the enzyme was found in both. Later, Maltha4 showed that an extract of wheaten flour catalysed the reaction.
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References
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CARTER, J., PACE, J. Distribution of Dehydroascorbic Acid Reductase in the Wheat Grain. Nature 201, 503 (1964). https://doi.org/10.1038/201503a0
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DOI: https://doi.org/10.1038/201503a0
