Determination of chloropropanol esters and glycidyl esters in instant noodles based on solid-phase microextraction with chitosan-β-cyclodextrin coated fiber

IF 8.5 1区农林科学 Q1 CHEMISTRY, APPLIED

Food Chemistry Pub Date : 2024-01-13 DOI:10.1016/j.foodchem.2024.138419

Linlin Bian , Xue Ge , Senwei Feng , Guangxuan Chen , Kefeng Li , Xu Wang

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Abstract

We developed a method for the determination of chloropropanol esters and glycidyl esters (GE) in instant noodles using solid-phase microextraction with chitosan-β-cyclodextrin (CS-β-CD) coated fiber coupled with gas chromatography-tandem mass spectrometry. The developed low-cost fiber coating can improve the sensitivity of the method. Immobilized enzymes can improve operational stability and reusability compared to free enzymes, thereby reducing costs. The adsorption isotherm was modeled using the Langmuir model, while the adsorption kinetics followed the pseudo second-order model. The limit of detection was 0.3 ng/L. The method exhibited satisfactory recoveries for the analytes, ranging from 80.2 % to 105.3 %, with relative standard deviations < 9.9 %. Furthermore, the results of the exposure assessment showed that chloropropanol esters do not pose unacceptable risks to different age groups. However, the margin of exposure for GE suggested a potential health risk for populations between the ages of 3 and 12 years old.

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基于壳聚糖-β-环糊精包覆纤维的固相微萃取法测定方便面中的氯丙醇酯和缩水甘油酯

建立了壳聚糖-β-环糊精（CS-β-CD）涂层纤维固相微萃取-气相色谱-串联质谱测定方便面中氯丙醇酯和缩水甘油酯（GE）的方法。所开发的低成本纤维涂层可提高该方法的灵敏度。与游离酶相比，固定化酶可提高操作稳定性和重复使用性，从而降低成本。吸附等温线采用 Langmuir 模型，吸附动力学遵循伪二阶模型。检测限为 0.3 纳克/升。该方法的回收率令人满意，从 80.2% 到 105.3%，相对标准偏差为 9.9%。此外，暴露评估结果表明，氯丙醇酯不会对不同年龄组的人造成不可接受的风险。不过，通用电气的暴露阈值表明，3 至 12 岁的人群可能面临健康风险。

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来源期刊

Food Chemistry 工程技术-食品科技

CiteScore

16.30

自引率

10.20%

发文量

3130

审稿时长

122 days

期刊介绍： Food Chemistry publishes original research papers dealing with the advancement of the chemistry and biochemistry of foods or the analytical methods/ approach used. All papers should focus on the novelty of the research carried out.