Pyridine Ionic Liquid Functionalized MOF-5 Coupled with High-Performance Liquid Chromatography for Analysis of Allura Red in Food Samples

被引：15

作者：

Wan, Shuyu ^{[1
]}

Xu, Ouwen ^{[1
]}

Zhang, Yuheng ^{[1
]}

Li, Jiawei ^{[1
]}

Shen, Yongxuan ^{[1
]}

Zhu, Xiashi ^{[1
]}

机构：

[1] Yangzhou Univ, Coll Chem & Chem Engn, Coll Guangling, Yangzhou 225002, Jiangsu, Peoples R China

来源：

FOOD ANALYTICAL METHODS | 2022年 / 15卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Allura red; Solid-phase extraction; Ionic liquid; Metal-organic framework nanocomposite; High-performance liquid chromatography; SOLID-PHASE EXTRACTION; METAL-ORGANIC FRAMEWORKS; MAGNETIC NANOPARTICLES; ADSORPTIVE REMOVAL; WATER; HPLC; PRECONCENTRATION; NANOCOMPOSITES; MECHANISM; ADSORBENT;

D O I：

10.1007/s12161-021-02173-3

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

A novel method for the separation/analysis of Allura Red based on using the pyridine ionic liquid functionalized metal-organic framework nanocomposite (MOF-5@[PrPy][Br]) as extractant coupled with high-performance liquid chromatography (HPLC) was established. MOF-5@[PrPy][Br] was characterized by FTIR, SEM, XRD, XRF, and BET. Several important factors, such as pH of the sample solution, amount of extractant, extract time, and types of eluents, were investigated in detail. Under the optimized conditions, the linear range of the method was 0.01-10.0 mu g mL(-1), the detection limit was 4.0 ng mL(-1), and the linear correlation was good (R-2 = 0.9996). The enrichment factor was 20 and could be reused for 6 times, while the extraction rate was still higher than 85%. This method had been successfully applied to the determination of Allura Red in soda, cocktails, effervescent tablets, and jelly with satisfactory results.

引用

页码：950 / 960

页数：11

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