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Relation Between Structure of Polyphenol Oxidase and Prevention of Browning

  • Avi Golan-Goldhirsh
  • John R. Whitaker
  • Varda Kahn
Part of the Advances in Experimental Medicine and Biology book series (AEMB, volume 177)

Abstract

Polyphenol oxidase (monophenol, dihydroxyphenylalanine:oxygen oxidoreductase, E.C. 1.14.18.1), often called tyrosinase, catalyzes two distinctly different chemical reactions. One reaction is the orthohydroxylation of monophenols; the second reaction is dehydrogenation of orthodihydroxyphenols. These reactions are shown in Equations 1 and 2.

Keywords

Ascorbic Acid Polyphenol Oxidase Coomassie Brilliant Blue Cyanogen Bromide Ascorbic Acid Concentration 
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

© Plenum Press, New York 1984

Authors and Affiliations

  • Avi Golan-Goldhirsh
    • 1
  • John R. Whitaker
    • 1
  • Varda Kahn
    • 2
  1. 1.Department of Food Science and TechnologyUniversity of CaliforniaDavisUSA
  2. 2.Department of Food TechnologyVolcani CenterBet-DaganIsrael

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