CAJ | 학술논문

建立了葵花油、大豆油和玉米油中34种中高毒农药的快速筛查方法。样品采用改进的QuEChERS方法进行提取净化,提取液采用在线GPC-GC-MS检测。结果表明,34种农药在0.01~0.2 mg/L范围内具有良好的线性关系,相关系数为0.9913~0.9997。除p,p′-DDE, p,p′-DDD, p,p′-DDT外的31种农药在葵花油、大豆油和玉米油中的检出限分别为0.0692~2.28μg/kg,0.0559~2.01μg/kg,0.0584~2.14μg/kg；在0.05和0.1μg/g添加水平的平均回收率分别为70.3%~115.4%,69.5%~112.6%,70.2%~116.1%；相对标准偏差(RSD, n=6)分别为2.9%~13.3%,3.9%~13.5%,4.2%~12.1%。本方法具有操作便捷、快速等特点,适用于葵花油、大豆油和玉米油中34种农药残留的快速筛查与检测。
건립료규화유、대두유화옥미유중34충중고독농약적쾌속사사방법。양품채용개진적QuEChERS방법진행제취정화,제취액채용재선GPC-GC-MS검측。결과표명,34충농약재0.01~0.2 mg/L범위내구유량호적선성관계,상관계수위0.9913~0.9997。제p,p′-DDE, p,p′-DDD, p,p′-DDT외적31충농약재규화유、대두유화옥미유중적검출한분별위0.0692~2.28μg/kg,0.0559~2.01μg/kg,0.0584~2.14μg/kg；재0.05화0.1μg/g첨가수평적평균회수솔분별위70.3%~115.4%,69.5%~112.6%,70.2%~116.1%；상대표준편차(RSD, n=6)분별위2.9%~13.3%,3.9%~13.5%,4.2%~12.1%。본방법구유조작편첩、쾌속등특점,괄용우규화유、대두유화옥미유중34충농약잔류적쾌속사사여검측。
A method for the simultaneous determination of 34 pesticides in sunflower oil, soybean oil and corn oil was developed. The samples were extracted and purified by a modified QuEChERS method, and then the supernatant was analyzed by on-line gel permeation chromatography-gas chromatography-mass spectrometry ( GPC-GC-MS ) . The linear range was from 0 . 01 to 0 . 2 mg/L with a good correlation coefficients ( r≥0. 9913). The average recoveries of 31 pesticides (except p,p′-DDE, p,p′-DDD, p,p′-DDT. For detail, please reference to section 3 . 6 ) ranged from 70 . 3% to 115 . 4%, 69 . 5% to 112 . 6% and 70 . 2% to 116 . 1%spiked at 0. 05 μg/g and 0. 1 μg/g with the relative standard deviations (RSDs, n=6) less than 13. 3%, 13. 5% and 12. 1% in sunflower oil, soybean oil and corn oil samples, respectively. The LODs of this method ranged from 0. 0692 to 2. 28, 0. 0559 to 2. 01 and 0. 0584 to 2. 14μg/kg (S/N=3) in sunflower oil, soybean oil and corn oil samples respectively. The convenient operation and versatility of this method are suitable for the fast screening and detection of 34 pesticide residues in sunflower oil, soybean oil and corn oil.