Determination of 4 Polycyclic Aromatic Hydrocarbons in Plant Extract by GC-MS Combined with Sulfuric Acid Acidifaction
摘 要
5.000 g样品经25 mL环己烷超声提取两次,提取液浓缩定容至5 mL后,采用硫酸(80+20)溶液酸化处理,溶液过0.2 μm滤膜后在HP-5MS色谱柱上分离,质谱分析中采用电子轰击离子源和选择离子监测模式。4种多环芳烃的质量浓度在一定范围内与峰面积呈线性关系,检出限(3S/N)为0.13~1.0 μg·kg-1。加标回收率为84.2%~105%,测定值的相对标准偏差(n=6)为1.4%~3.9%。方法用于分析10种植物提取物,4种多环芳烃的总质量比在19.59~142.69 μg·kg-1之间。
Abstract
The sample (5.000 g) was extracted ultrasonically with 25 mL of cyclohexane for two times, then the extract was concentrated to 5 mL and was acidized with sulfuric acid (80+20) solution. After being filtred by 0.2 μm filter membrane, the solution was separated on a HP-5MS chromatographic column. Electron impact ion source and selected ion monitoring mode were adopted in MS analysis. Linear relationships were found between the peak areas and the mass concentrations of 4 polycyclic armatic pydrocarbons in definite ranges, with detection limits in the range (3S/N) of 0.13-1.0 μg·kg-1. Recovery rates obtained by standard addition method ranged from 84.2% to 105% and RSDs (n=6) ranged from 1.4% to 3.9%. The method was applied to analysis of 10 plant extracts, giving total mass ratio of 4 polycyclic aromatic hydrocarbons in the range of 19.59-142.69 μg·kg-1.
中图分类号 O657.63 DOI 10.11973/lhjy-hx201706013
所属栏目 工作简报
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收稿日期 2016/6/10
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备注高娟(1979-),女,陕西西安人,工程师,硕士研究生,研究方向为产品质量控制与分析,gaojuan@jiaherb.net
引用该论文: GAO Juan,GUO Weijie,LIU Na,HUI Yuhu. Determination of 4 Polycyclic Aromatic Hydrocarbons in Plant Extract by GC-MS Combined with Sulfuric Acid Acidifaction[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2017, 53(6): 684~688
高娟,郭伟杰,刘娜,惠玉虎. 硫酸酸化-气相色谱-质谱法测定植物提取物中的4种多环芳烃[J]. 理化检验-化学分册, 2017, 53(6): 684~688
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参考文献
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【21】徐小民,蔡增轩,任一平,等.食用植物油中苯并[a]芘的在线凝胶色谱-气质联用测定[J].中国卫生检验杂志, 2012,22(7):1479-1483.
【22】马玲,张旭龙,刘银,等.凝胶色谱净化-气相色谱-质谱法同时测定烧烤肉制品中19种多环芳烃[J].理化检验-化学分册, 2014,50(1):72-75.
【2】NAKATA H, UEHARA K, GOTO Y, et al. Polycyclic aromatic hydrocarbons in oysters and sediments from the Yatsushiro Sea, Japan: Comparison of potential risks among PAHs, dioxins and dioxin-like compounds in benthic organisms[J]. Ecotoxicology and Environmental Safety, 2014,99(2):61-68.
【3】KRÜGER O, KALBE U, MEIβNER K, et al. Sorption effects interfering with the analysis of polycyclic aromatic hydrocarbons (PAH) in aqueous samples[J]. Talanta, 2014,122(5):151-156.
【4】田玉霞,孟橘.食用油中多环芳烃的研究进展[J].中国油脂, 2012,37(3):69-73.
【5】王欣,周智慧,赵晓联.苯并[a]芘危害性及其检测技术[J].粮食与油脂, 2011,3(3):48-49.
【6】COMMISSION REGULATION (EU) 2015/1933 of 27 October 2015 Amending Regulation (EC) No 1881/2006 as regards maximum levels for polycyclic aromatic hydrocarbons in cocoa fibre, banana chips, food supplements, dried herbs and dried spices[S].
【7】GB 2716-2005 食用植物油卫生标准[S].
【8】GB 2762-2012 食品安全国家标准:食品中污染物限量[S].
【9】汤富彬,莫润宏,钟冬莲,等.皂化提取-高效液相色谱法测定油茶籽油中苯并[a]芘残留[J].油脂安全, 2012,37(2):62-64.
【10】倪进治,王军,李小燕,等.超高效液相色谱荧光检测器测定土壤中多环芳烃[J].分析试验室, 2010,29(5):25-28.
【11】董桂贤,王朝霞,周晓鸽,等.超高效液相色谱法同时测定植物油中15种多环芳烃[J].卫生研究, 2014,43(4):620-623.
【12】李念念,周光宏,徐幸莲,等.高效液相色谱-荧光法测定腊肉中的苯并芘残留[J].食品科技, 2013,33(1):319-323.
【13】胡奇杰,沈黎炜,戚民,等.高效液相色谱法测定肉制品中的苯并芘[J].食品研究与开发, 2016,31(6):146-149.
【14】GB/T 24893-2010/ISO 15753:2006 动植物油脂多环芳烃的测定[S].
【15】刘艳琴,王浩,杨红梅.凝胶渗透色谱-高效液相色谱法测定植物油中的苯并芘[J].食品安全与检测, 2013,38(10):327-329.
【16】马君刚,张煌涛,于红,等.GPC-HPLC-FLD法测定动植物油脂中的苯并[a]芘[J].食品科学, 2012,33(10):278-281.
【17】宫哲,王德慧,赵德智,等.苯并芘的分离与检测研究进展[J].化学通报, 2015,78(9):786-791.
【18】王峰,张志杰,林慧,等.高效液相色谱-二极管阵列检测器-荧光检测器法测定植物油中的18种多环芳烃[J].食品科学, 2014,35(6):142-145.
【19】徐文君,王峰,朱晓军,等.气质联用法测定食用植物油中的多环芳烃[J].江苏农业科学, 2014,42(11):339-341.
【20】王晓东,王歆睿,李红,等.气相色谱-串联质谱法测定食用植物油中痕量多环芳烃[J].现代科学仪器, 2013,4(2):137-140.
【21】徐小民,蔡增轩,任一平,等.食用植物油中苯并[a]芘的在线凝胶色谱-气质联用测定[J].中国卫生检验杂志, 2012,22(7):1479-1483.
【22】马玲,张旭龙,刘银,等.凝胶色谱净化-气相色谱-质谱法同时测定烧烤肉制品中19种多环芳烃[J].理化检验-化学分册, 2014,50(1):72-75.
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