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当前位置: 首页 > 文章 > 凝胶渗透色谱-高效液相色谱法同时测定食用油中BaP、BHA、BHT、TBHQ、DBP、DEHP 食品科学 2013,34 (24) 258-262
Position: Home > Articles > Determination of BaP, BHA, BHT, TBHQ, DBP and DEHP in Edible Oil by Gel Permeation Chromatography and High Performance Liquid Chromatography FOOD SCIENCE 2013,34 (24) 258-262

凝胶渗透色谱-高效液相色谱法同时测定食用油中BaP、BHA、BHT、TBHQ、DBP、DEHP

作  者：
朱晓玲;刘杰;范志勇;曹晖;彭青枝
单  位：
湖北省食品质量安全监督检验研究院
关键词：
凝胶渗透色谱;反相高效液相色谱;食用油
摘  要：
建立同时测定食用油中BaP、BHA、BHT、TBH Q、DBP、DEHP的凝胶渗透色谱-高效液相色谱分析方法。食用油样品经预处理后采用GPC进行净化,C18反相色谱柱(250mm×4.6mm,5μm)进行分离,乙腈和水为流动相,梯度洗脱,并采用紫外-荧光检测器串联的方式进行检测。在最佳测定条件下,6种目标化合物在相应的线性范围内其线性相关系数均不小于0.9980,方法的回收率为82.0%~103.7%,相对标准偏差为3.2%~7.5%(n=6)。该方法简便、准确,可用于食用油样品中BaP、BHA、BHT、TBHQ、DBP、DEHP的同时测定。
译  名：
Determination of BaP, BHA, BHT, TBHQ, DBP and DEHP in Edible Oil by Gel Permeation Chromatography and High Performance Liquid Chromatography
作  者：
ZHU Xiao-ling;LIU Jie;FAN Zhi-yong;CAO Hui;PENG Qing-zhi;Hubei Provincial Institute for Food Supervision and Test;
关键词：
gel permeation chromatography;;reversed-phase high performance liquid chromatography;;edible oil
摘  要：
A method was developed for the simultaneous determination of BaP, BHA, BHT, TBHQ, DBP and DEHP in edible oil by gel permeati on chromatography and high performance liquid chromatography(GPC-HPLC). Samples were purified by GPC after pretreatment, then separated on a reversed-phase C18 column with acetonitrile and water as the mobile phase in a gradient elution mode. The target compounds were detected by UV-tandem fluorescence detector. Under the preferred test conditions, the li near ranges of the method were 0.0002–0.2 m g/L for BaP, 1–500 mg/L for BHA, BHT and TBHQ, and 0.1–100 mg/L for DBP and DEHP, with correlation coefficients of more than 0.9980. The spiked recovery rates were 82.0%–103.7% with relative standard deviations(RSD, n = 6) of 3.2%–7.5%. The developed method is simple and accurate, and can be used for the simultaneous determination of BaP, BHA, BHT, TBHQ, DBP and DEHP in edible oil samples.

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