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Characterization of Polyphenol Oxidase from Litchi Pericarp Using (−)-Epicatechin as Substrate

✍ Scribed by Liu, Liang; Cao, Shaoqian; Xie, Bijun; Sun, Zhida; Li, Xiaoyao; Miao, Wenhua


Book ID
126807435
Publisher
American Chemical Society
Year
2007
Tongue
English
Weight
64 KB
Volume
55
Category
Article
ISSN
0021-8561

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Ellagic acid: Characterization as substr
✍ Jose Luis Muñoz-Muñoz; Francisco Garcia-Molina; Maria Garcia-Molina; Jose Tudela 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 214 KB

## Abstract Ellagic acid has been described as an inhibitor of tyrosinase or polyphenol oxidase and, therefore, of melanogenesis. In this work, we demonstrate that ellagic acid is not an inhibitor, but a substrate of mushroom polyphenol oxidase, an enzyme which oxidizes ellagic acid, generating its