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Mechanism of trans-caffeoyltartaric acid and catechin oxidation in model solutions containing grape polyphenoloxidase

✍ Scribed by Cheynier, Veronique; Basire, Nathalie; Rigaud, Jacques

Book ID: 126840697
Publisher: American Chemical Society
Year: 1989
Tongue: English
Weight: 405 KB
Volume: 37
Category: Article
ISSN: 0021-8561
DOI: 10.1021/jf00088a055

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## Abstract Ascorbic acid is not oxidized (thermally) by ferric salts in oxalic acid solution. When ferric salts in oxalic acid solution are irradiated in an atmosphere of nitrogen, ferrous ions are produced; in an atmosphere of air, ferrous ions are produced when the ratio of iron to oxalate excee