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食品研究与开发:2021,42(16):92-98
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木犀草素分子印迹固相萃取柱的制备及应用
(1.广州南洋理工职业学院教学科研部,广东 广州 510900;2.仲恺农业工程学院化学化工学院,广东 广州 510225)
Preparation and Application of Molecularly Imprinted Solid-Phase Luteolin Extraction Column
(1.Department of Teaching and Research,Guangzhou Nanyang Polytechnic College,Guangzhou 510900,Guangdong,China;2.College of Chemistry and Chemical Engineering,Zhongkai University of Agriculture and Engineering,Guangzhou 510225,Guangdong,China)
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投稿时间:2020-10-22    
中文摘要: 以木犀草素为模板分子,α-甲基丙烯酸(α-methyl acrylic acid,MAA)为功能单体,乙二醇二甲基丙烯酸酯(ethylene glycol dimethacrylate,EGDMA)为交联剂,通过沉淀聚合法制备木犀草素分子印迹聚合物;并以其为固相萃取柱填料,制备木犀草素分子印迹固相萃取柱,确定该固相萃取柱的最佳吸附条件;用此固相萃取柱对花生壳粗提物中的木犀草素进行分离纯化。结果表明,该固相萃取柱对木犀草素表现出较好的特异性吸附效果,可分离纯化出相对纯度为94.18%的木犀草素。
Abstract:Molecularly imprinted polymers (MIPs) specific for luteolin were prepared via a precipitation polymerization process that utilized luteolin,α-methyl acrylic acid(MAA),and ethylene glycol dimethacrylate(EGDMA)as template molecules,functional monomers,and crosslinking agents,respectively.The molecularly imprinted polymers were chosen as packing material for a solid-phase extraction column.The optimal adsorption conditions for this solid-phase extraction column were determined by using the prepared column to separate and purify luteolin from crude peanut shell extracts.Results showed that the solid-phase column specifically adsorbed luteolin and separated it to a relative purity of 94.18%.
文章编号:202116014     中图分类号:    文献标志码:
基金项目:国家自然科学基金项目(21376281);广东省普通高校省级重点科研项目(2018GKZDXM010)
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