Alkyl peroxyl radical-scavenging activity of catechins

Alkyl peroxyl radical (ROO ) generated from the reaction between 20 mM t-butyl hydroperoxide ( t-BuOOH) and 200 μM hematin could kill E. coli. The minimum concentrations of catechins sufficient to rescue the bacteria treated with ROO were found to be 70 μM for (−)-epicatechingallate, 100 μM for (−)-...

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Veröffentlicht in:	Phytochemistry (Oxford) 1998-12, Vol.49 (8), p.2379-2382
Hauptverfasser:	Nakao, Mayumi, Takio, Susumu, Ono, Kanji
Format:	Artikel
Sprache:	eng
Schlagworte:	alkyl peroxyl radical antibacterial properties antioxidant ascorbic acid bactericidal action beta-carotene bioassays Biological and medical sciences Catechin - analogs & derivatives Catechin - pharmacology catechins dosage Escherichia coli Escherichia coli - drug effects flavonols Free Radical Scavengers - pharmacology free radicals General pharmacology Heme - chemistry inhibitors Medical sciences oxidation Pharmacognosy. Homeopathy. Health food Pharmacology. Drug treatments radical scavenger Reactive Oxygen Species Staphylococcus aureus - drug effects superoxide dismutase tert-Butylhydroperoxide - chemistry
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