鸭肉中吉他霉素残留的SERS测定
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(1. 江西农业大学工学院,江西 南昌 330045;2. 江西农业大学生物光电及应用重点实验室,江西 南昌 330045)

作者简介:

赵进辉,男,江西农业大学副教授,博士。

通讯作者:

刘木华(1969—),男,江西农业大学教授,博士。E-mail:suikelmh@sohu.com

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基金项目:

江西省科技厅对外科技合作计划项目(编号:20132BDH80005);江西省科技厅科技支撑项目(编号:20121BBG70058)


Detection of kitasamycin residues in duck meat using surface-enhanced Raman spectroscopy
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(1. College of Engineering, Jiangxi Agricultural University, Nanchang, Jiangxi 330045, China; 2. Optics-Electrics Application of Biomaterials Lab, Jiangxi Agricultural University, Nanchang, Jiangxi 330045, China)

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    摘要:

    应用表面增强拉曼光谱(SERS)法建立一种鸭肉中吉他霉素(KIT)残留的快速检测方法。在分析增强基底的紫外—可见吸收光谱与鸭肉中KIT的SERS光谱的基础上,采用单因素试验法优化了鸭肉中KIT的SERS检测条件,并分别建立了KIT水溶液检测与鸭肉中KIT残留检测的标准曲线。试验结果表明,KIT水溶液检测的标准曲线方程y=0.046 2x+0.215 3,决定系数(R2)为0.927 9,对KIT水溶液预测的平均回收率为99%~123%。鸭肉中KIT残留检测的标准曲线方程为y=0.011 9x+0.940 9,R2为0.923 2,对鸭肉中KIT预测的平均回收率为104%~108%。采用SERS技术检测鸭肉中KIT 残留是可行的。

    Abstract:

    By applying surface-enhanced Raman spectroscopy (SERS), a rapid detection of Kitasamycin (KIT) residues in duck meat was proposed. On the bases of analyzing UV-visible absorption spectrum of enhanced substrate and SERS of KIT in duck meat, the SERS detection conditions of KIT in duck meat, the addition amount of duck meat extract containing KIT and adsorption time, were optimized by single factor method, and the standard curves for the detection of KIT aqueous solution and KIT residues in duck meat were build respectively. The experiment results showed that the standard curve equation and the coefficient of determination were y=0.046 2x+0.215 3 and 0.927 9 respectively for the detection of KIT in aqueous solution with the average recovery rate of 99%~123%. The standard curve equation and the coefficient of determination were y=0.011 9x+0.940 9 and 0.923 2 respectively for the detection of KIT residues in duck meat with the average recovery rate of 104%~108%.The experiment results showed that it was feasible to detect the KIT residues in duck meat by using SERS technology.

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引用本文

赵进辉,洪茜,袁海超,等.鸭肉中吉他霉素残留的SERS测定[J].食品与机械,2017,33(6):60-63.
ZHAOJinhui, HONGQian, YUANHaichao, et al. Detection of kitasamycin residues in duck meat using surface-enhanced Raman spectroscopy[J]. Food & Machinery,2017,33(6):60-63.

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  • 在线发布日期: 2023-03-10
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