Voltammetric determination of vitamin B6 in food samples and dietary supplements

被引：67

作者：

Brunetti, Barbara ^{[1
]}

Desimoni, Elio ^{[1
]}

机构：

[1] Univ Milan, DeFENS, I-20133 Milan, Italy

来源：

JOURNAL OF FOOD COMPOSITION AND ANALYSIS | 2014年 / 33卷 / 02期

关键词：

Pyridoxine; Vitamins; Screen-printed electrodes; Carbon nanotubes; Voltammetry; Food analysis; Supplements; Energy drinks; Food composition; Analytical methods; Rapid food analytical methods; GLASSY-CARBON ELECTRODE; WATER-SOLUBLE VITAMINS; PYRIDOXINE HYDROCHLORIDE; NANOTUBES; ELECTROOXIDATION; BIOSENSORS; OXIDATION;

D O I：

10.1016/j.jfca.2013.12.008

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A simple and rapid voltammetric method based on the use of disposable screen-printed electrodes is proposed for the determination of vitamin B-6. The influence of the pH on the voltammetric response was analyzed. Estimation of the linear range (2.0 x 10(-6)/7.2 x 10(-5) M), calibration function, limit of detection (1.5 x 10(-6) M) and reproducibility was performed along with the determination of possible interferences from species present in real samples. The proposed analytical system was successfully applied for the determination of pyridoxine in multivitamin supplements, energy drinks and breakfast cereals by using the standard addition method. (C) 2014 Elsevier Inc. All rights reserved.

引用

页码：155 / 160

页数：6

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