高效液相色谱法同时测定塑料和纸质包装材料中6种荧光增白剂

doi:10.3724/SP.J.1123.2017.06024

色谱 ›› 2017, Vol. 35 ›› Issue (11): 1198-1203.DOI: 10.3724/SP.J.1123.2017.06024

高效液相色谱法同时测定塑料和纸质包装材料中6种荧光增白剂

张居舟¹, 纪水琳^2,3, 蔡荟梅^2,3, 李静¹, 汪永信¹, 王璟秋¹

1. 安徽省食品药品检验研究院, 安徽合肥 230051;
2. 安徽农业大学茶与食品科技学院, 安徽合肥 230036;
3. 安徽农业大学, 省部共建茶树生物学与资源利用国家重点实验室, 安徽合肥 230036

收稿日期:2017-06-23 出版日期:2017-11-08 发布日期:2014-01-17
通讯作者: 张居舟,Tel:(0551)63356522,E-mail:juzhouzhang@163.com
基金资助:
安徽省自然科学基金项目（1408085MKL38）；安徽省特色创新建设资金项目（15czs08032）；安徽省教委自然科学基金项目（KJ2016A216）.

Simultaneous determination of six fluorescent whitening agents in plastic and paper packaging materials by high performance liquid chromatography

ZHANG Juzhou¹, JI Shuilin^2,3, CAI Huimei^2,3, LI Jing¹, WANG Yongxin¹, WANG Jingqiu¹

1. Anhui Provincial Institute for Food and Drug Test, Hefei 230051, China;
2. School of Tea & Food Science and Technology, Anhui Agricultural University, Hefei 230036, China;
3. State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, Hefei 230036, China

Received:2017-06-23 Online:2017-11-08 Published:2014-01-17
Supported by:
Natural Science Foundation of Anhui Province (No. 1408085MKL38); Special Innovative Province Construction in Anhui Province (No. 15czs08032); Natural Science Foundation of Anhui Educational Commission (No. KJ2016A216).

摘要/Abstract

摘要：

建立了同时测定塑料和纸质食品包装材料中6种脂溶性荧光增白剂（FWA 135、FWA 184、FWA 185、FWA 199、FWA 378和FWA 393）的高效液相色谱方法。用三氯甲烷-乙腈（3：7，v/v）混合溶液提取，经HLB小柱净化后用高效液相色谱-荧光检测法进行定性定量分析。采用Phenomenex C18色谱柱分离，以5 mmol/L的乙酸铵水溶液和乙腈为流动相，进行梯度洗脱。结果显示：FWA 393在15~1500 μg/L范围内的线性关系良好，其余5种荧光增白剂在5~500 μg/L范围内线性关系良好，相关系数均大于0.999；加标回收率为80.4%~125.0%；相对标准偏差（RSD，n=6）为1%~13%。应用该方法分析了市场销售的12个样品以验证方法的实用性。该方法前处理简单，回收率高，精密度好，适用于食品包装材料中6种荧光增白剂的检测。

关键词: 高效液相色谱, 食品包装材料, 荧光检测, 荧光增白剂

Abstract:

A novel analytical method was developed for the simultaneous determination of six fluorescent whitening agents (FWAs:FWA 135, FWA 184, FWA 185, FWA 199, FWA 378 and FWA 393) in paper and plastic food packaging materials by high performance liquid chromatography with fluorescence detection (HPLC-FLD). The sample was extracted with mixed solution of chloroform and acetonitrile (3:7, v/v), then cleaned up by HLB solid phase extraction column. Qualitative and quantitative analyses were carried out by HPLC. The sample was separated on a Phenomenex C18 column using acetonitrile and 5 mmol/L ammonium acetate aqueous solution as mobile phases. The results indicated that the linear range of FWA393 was 15-1500 μg/L and the linear ranges of the other five FWAs were 5-500 μg/L with correlation coefficients greater than 0.999. The recoveries in spiked samples were between 80.4% and 125.0% with RSDs (n=6) of 1%-13%. Furthermore, this method was applied to analyze 12 samples in the market to verify the practicality of the method. The method showed the advantages of simplicity, high recovery and good precision, and is suitable for the detection of the six fluorescent whitening agents in food packaging materials.

Key words: fluorescence detection (FLD), fluorescent whitening agents (FWAs), food packaging materials, high performance liquid chromatography (HPLC)

中图分类号:

O658

张居舟, 纪水琳, 蔡荟梅, 李静, 汪永信, 王璟秋. 高效液相色谱法同时测定塑料和纸质包装材料中6种荧光增白剂[J]. 色谱, 2017, 35(11): 1198-1203.

ZHANG Juzhou, JI Shuilin, CAI Huimei, LI Jing, WANG Yongxin, WANG Jingqiu. Simultaneous determination of six fluorescent whitening agents in plastic and paper packaging materials by high performance liquid chromatography[J]. Chinese Journal of Chromatography, 2017, 35(11): 1198-1203.

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高效液相色谱法同时测定塑料和纸质包装材料中6种荧光增白剂

Simultaneous determination of six fluorescent whitening agents in plastic and paper packaging materials by high performance liquid chromatography

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