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- Title
Scopoletin and Polyphenol-Induced Lag in Peroxidase Catalyzed Oxidation of Indole-3-acetic Acid.
- Authors
Schaeffer, G. W.; Buta, J. G.; Sharpe, F.
- Abstract
The rate of initial indole-3-acetic acid (IAA) oxidation with horseradish peroxidase is modified with scopoletin, scopolin and other phenolic derivatives. In the presence of phenolics there is an initial lag phase in the oxidation. The early lag is dissipated enzymatically after which the rate of IAA oxidation again returns to normal. Chlorogenic and sinapic acids produce the longest lag periods of the compounds reported here, whereas the glucoside, scopolin, produced the least inhibition. Scopoletin is more than 10× as inhibitory as scopolin.
- Subjects
METALLOENZYMES; OXIDATION; ELECTROLYTIC oxidation; FRETTING corrosion; ACETIC acid; FATTY acids
- Publication
Physiologia Plantarum, 1967, Vol 20, Issue 2, p342
- ISSN
0031-9317
- Publication type
Article
- DOI
10.1111/j.1399-3054.1967.tb07172.x