Autoxidation of tryptophan in aqueous solutions
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Autoxidation of tryptophan was investigated in aqueous solutions by the gamma radiolytic technique. The oxygen uptake and formation of peroxide materials was followed as a function of pH, dose rate and concentration of tryptophan. The results obtained indicate that TrpH(OH)OO . radicals react with tryptophan by adduct formation thus propagating autoxidation. The chain propagation length (CPL) for a 2x10(-2) mol dm(-3) tryptophan solution at pH 9.5 and a dose rate 0.01 Gy s(-1) was estimated to be approximate to5.8, which shows that the autoxidation of tryptophan is a short chain reaction.
Кључне речи:autoxidation / tryptophan / peroxy radicals
Извор:Journal of the Serbian Chemical Society, 2001, 66, 9, 571-580
ISSN: 0352-5139 (print)