MISPE-HPLC检测水产品5种丁香酚麻醉剂的残留量
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(1. 广东省水产品加工与安全重点实验室,广东 湛江 524088;2. 广东普通高等学校水产品深加工重点实验室,广东 湛江 524088;3. 广东海洋大学食品科技学院,广东 湛江 524088;4. 湛江市食品药品检验所,广东 湛江 524022)

作者简介:

何洪健,男,广东海洋大学在读硕士研究生。

通讯作者:

黄和(1962—),男,广东海洋大学教授。E-mail:zjhahe@163.com

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广东省科技计划项目(编号:2014A020208121)


Determination of five kinds of clove phenol anesthetic in aquatic product by HPLC with molecularity imprinted solid phase extraction
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(1. Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Zhanjiang, Guangdong 524088, China; 2. Key Laboratory of Advanced Processing of Aquatic Products of Guangdong Higher Education Institution, Zhanjiang, Guangdong 524088, China; 3. College of Food Science and Technology, Guangdong Ocean University, Zhanjiang, Guangdong 524088, China; 4. Zhanjiang Institute of Supervision & Test on Food & Medicines, Zhanjiang, Guangdong 524022, China)

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    摘要:

    釆用分子印迹固相萃取结合高效液相色谱法,建立检测水产品中5种丁香酚类麻醉剂残留的方法。分别使用丁香酚、甲基丙烯酸、乙二醇二甲基丙烯酸酯作为模板分子、功能单体和交联剂,采用本体聚合法制备合成分子印迹聚合物并制成萃取柱。通过响应面分析法得出模板分子、功能单体、交联剂的最佳比例14.5523.21;样品溶剂选择甲醇能使5种丁香酚类化合物回收率达到90%;洗脱剂选择91的甲醇乙酸溶液能够使5种丁香酚类化合物回收率达90%以上;该方法的线性范围均为 0.05~10 μg/mL,相关系数为 0.999 83~0.999 97,具有较好的线性关系;5种丁香酚类麻醉剂的定量限为0.05 mg/kg。该方法对样品的回收率为82.04%~99.29%,RSD为0.06%~3.96%。所建立的方法具有简单便于操作、准确快速、操作可行性高、有机溶剂耗量少等特点,可用于水产品中5种丁香酚类麻醉剂残留的测定。

    Abstract:

    A new method of molecularly imprinted solid phase extraction (MISPE) combined with high performance liquid chromatography (HPLC) was developed for detecting five kinds of clove phenol anesthetic in aquatic product. Using eugenol as template molecule, methacrylic acid as functional monomer, ethylene glycol dimethacrylate as cross linking agent, molecularly imprinted polymers were synthesized by bulk polymerization and made into extraction column. Through the response surface analysis template molecule and functional monomer, crosslinking agent the best proportion was 14. 5523. 21, and the recovery rate of these compounds reached 90% by using methanol as solvent and acetic acid solution as eluent. The results showed that linear response data were obtained in the concentration range of 0.05~10 μg/mL for the five kinds of clove phenol anesthetic with correlation coefficients from 0.999 83 to 0.999 97, and the limits of quantitative were 0.05 mg/kg. The method of sample recovery rate was 82.04%~99.29% with the relative standard deviations ranging from 0.06%~3.96%. The new established method was found simple and fast,accurate and feasible, and this could be successfully applied for the determination of five kinds of clove phenol anesthetic in aquatic product and their residue with low solvent consumption.

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何洪健,黄和,高平,等. MISPE-HPLC检测水产品5种丁香酚麻醉剂的残留量[J].食品与机械,2016,32(11):39-44,67.
HEHongjian, HUANGHe, GAOPing, et al. Determination of five kinds of clove phenol anesthetic in aquatic product by HPLC with molecularity imprinted solid phase extraction[J]. Food & Machinery,2016,32(11):39-44,67.

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  • 在线发布日期: 2023-03-09
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