Rapid Electrochemical Detection of Vanillin in Natural Vanilla

被引：34

作者：

Chen, Lifu ^{[1
]}

Chaisiwamongkhol, Korbua ^{[1
]}

Chen, Yuqi ^{[1
]}

Compton, Richard G. ^{[1
]}

机构：

[1] Univ Oxford, Dept Chem, Phys & Theoret Chem Lab, South Parks Rd, Oxford OX1 3QZ, England

来源：

ELECTROANALYSIS | 2019年 / 31卷 / 06期

关键词：

Vanillin; Cyclic voltammetry; Screen-printed electrode; Quality control of vanilla products; SIMULTANEOUS SPECTROPHOTOMETRIC DETERMINATION; VOLTAMMETRIC DETERMINATION; LIQUID-CHROMATOGRAPHY; ASSISTED EXTRACTION; PHENOLIC-COMPOUNDS; ETHYL VANILLIN; OXIDATION; FLAVORINGS; COMPONENTS; CATECHOLS;

D O I：

10.1002/elan.201900037

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A commercially available and disposable multiwalled carbon nanotube screen-printed electrode (CNT-SPE) was employed to detect and determine vanillin compounds in natural vanilla. The voltammetric behaviour of vanillin at the CNT-SPE is examined and shown to be a sensitive method for quantifying vanillin. Linear calibration for vanillin in the range of 2.5-750 mu M was obtained with a detection limit of 1.03 mu M and a quantification limit of 3.44 mu M. The developed method comprises a simple sample preparation method and a sensitive electrochemical detection for the quantification of vanillin in vanilla pods and is an easy and simple procedure for manufacturers and consumers.

引用

页码：1067 / 1074

页数：8

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