土榨花生油中苯并(a)芘含量检测方法的研究  

Study on determination of benzo(a)pyrene in peanut oil extracted by native method

作　　者：梁剑锋 李亚 卓梅芳[1] 杨韶平[1] LIANG Jian-feng;LI Ya;ZHUO Mei-fang;YANG Shao-ping(School of Chemical Engineering and Resource Recycling,Wuzhou University,Wuzhou 543002,Guangxi,China)

机构地区：[1]梧州学院化学工程与资源再利用学院,广西梧州543002

出　　处：《粮食与油脂》2020年第12期92-94,共3页Cereals & Oils

基　　金：梧州学院重点科研项目(2020B008);广西高校中青年教师基础能力提升项目(2017KY0637);广西科技重大专项(桂科攻AA18118001)。

摘　　要：对苯并(a)芘的国标检测方法进行改进,方法采用ChromSpher pi 80 mm×3.0 mm色谱柱,流动相为异丙醇-乙腈(体积比6∶4),流速为1.2 mL/min,柱温40℃,进样量为500μL。结果表明:该试验方法在1.0~10.0 ng/mL范围内线性良好,检出限为0.08μg/kg,加标回收率为99%~103.1%,相对标准偏差RSD为1.02%~1.96%。An method for the determination of benzo(a)pyrene by the national standard detection method was improved.ChromSpher pi 80 mm×3.0 mm column was used.The mobile phase was isopropanol-acetonitrile(volume ratio 6∶4),the flow rate was 1.2 mL/min,the column temperature was 40℃,the injection volume was 500μL.The results showed that this method had good linearity relative within 1.0~10.0 ng/mL,and the detection limit was 0.08μg/kg,and the recovery was 99%~103.1% with 1.02%~1.96% RSD.

关 键 词：土榨花生油 苯并(A)芘 阀切换系统 高效液相色谱 

分 类 号：TS225.12[轻工技术与工程—粮食、油脂及植物蛋白工程]