便携拉曼检测集成装置与芯片式卡盒相结合用于食品添加剂的快速检测  

A compact raman spectroscopy device for the rapid detection of food additives

作　　者：苏建加[1] 袁俊春 陈宏[2] 周勇亮[1] 

机构地区：[1]厦门大学电化学技术教育部工程研究中心,厦门361005 [2]厦门大学萨本栋微米纳米科学技术研究院,厦门361005

出　　处：《分析试验室》2018年第3期270-274,共5页Chinese Journal of Analysis Laboratory

基　　金：国家自然科学基金(NO.U1505243);福建省自然科学基金(NO.2015J01064);福建省高校青年自然基金重点项目(NO.JZ160404);国家重大科学仪器设备开发专项(2011YQ030124)资助

摘　　要：针对食品安全体系拉曼光谱检测的自动化前处理问题,研制了一台便携拉曼检测集成装置,能与芯片式卡盒相结合以实现食品添加剂的前处理及检测。集成装置主要包括触控屏、控制板、通讯模块、蠕动泵及小型拉曼光谱仪。蠕动泵对芯片式卡盒所需的溶剂进行程序驱动,自动完成检测前的前处理工作;小型拉曼光谱仪对前处理收集液进行检测;控制板对蠕动泵及拉曼光谱仪的参数进行设定监控;通讯模块则可把检测数据传输到WIFI设备或云数据中心,并接受指令。将集成装置应用于糖果中食用色素的检测,结果表明日落黄与柠檬黄的检测限均可达到10 mg/L。该装置体积小、检测过程快,适合用于食品安全体系的现场快速检测。In order to realize the automatic pretreatment of food sample,a compact Raman spectroscopy device integrated with the microfluidic chip-like cartridge was develpoed for the detection of the food additives in the sample.This device was consisted of the control panel,communication module,peristaltic pump and miniaturized Raman spectroscopy.The peristaltic pump provided the driving force for the solvent to flow through the microfluidic chip,and then completed the sample pretreatment.The miniaturized Raman spectroscopy was used to detect the collected solution from the microfluidic chip.The control panel was designed to control the peristaltic pump and the Raman spectroscopy.This compact device was applied to the determination of pigments in the candy,and the detect limit was around 10 mg/L.This device was very suitable for the rapid detection in the field of food safety.

关 键 词：食品添加剂 拉曼光谱 前处理 

分 类 号：O657.37[理学—分析化学]