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[Determination of tyrosine based on the fluorescence quenching by molebrum (VI)].

作者信息

Xiang Hai-yan, Chen Xiao-ming, Zhou Di-wu

机构信息

Printed Circuit Board Factory, Zhuzhou Electric Locomotive Institute, Zhuzhou, 412001 China.

出版信息

Guang Pu Xue Yu Guang Pu Fen Xi. 2002 Oct;22(5):816-8.

PMID:12938439
Abstract

A new selective and sensitive spectrofluorimetric method for the determination of Tyrosine in beer and grape wine has been developed. This method is based on the quenching of fluorescence of Tyrosine by Molybrum(VI). The exitation and emission wavelengths were found to be 278 and 305 nm, respectively. There was a linear relationship in the range of 0.01-14.4 micrograms.mL-1 for Tyrosine. This method is simple and rapid, and has been applied to the determination of Tyrosine in beer and grape wine with satisfactory results.

摘要

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