Determination of proline in wine using flow injection analysis with tris(2,2′-bipyridyl)ruthenium(II) chemiluminescence detection

被引：46

作者：

Costin, JW ^{[1
]}

Barnett, NW ^{[1
]}

Lewis, SW ^{[1
]}

机构：

[1] Deakin Univ, Ctr Chiral & Mol Technol, Sch Biol & Chem Sci, Geelong, Vic 3217, Australia

来源：

TALANTA | 2004年 / 64卷 / 04期

关键词：

tris(2,2 '-bipyiidyl)ruthenium(II); chemiluminescence; Ru(bipy)(3)(3+); flow injection analysis; proline; wine;

D O I：

10.1016/j.talanta.2004.03.065

中图分类号：

O65 [分析化学];

学科分类号：

070302 [分析化学]; 081704 [应用化学];

摘要：

Flow injection methodology is described for the determination of proline in red and white wines using tris(2,2'-bipyridyl)ruthenium(II) chemiluminescence detection. Selective conditions were achieved for proline at pH 10, while other amino acids and wine components did not interfere. The precision of the method was less than 1.00% (R.S.D.) for five replicates of a standard (4 x 10(-6) M) and the detection limit was 1 x 10(-8) M. The level of proline in white and sparkling wines using the developed methodology was equivalent to those achieved using HPLC-FMOC amino acid analysis. SPE removal of phenolic material was required for red wines to minimize Ru(bipy)(3)(3+) consumption and its associated effect on accuracy. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：894 / 898

页数：5

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