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顶空气相色谱-质谱法测定热加工食品中呋喃的方法研究 被引量：2

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摘要 目的建立以氘代同位素内标测定热加工食品中呋喃的顶空气相色谱-质谱法(HS-GC-MS)方法。方法试样中加入内标物d4-呋喃,顶空50℃恒温30min后,用PLOTQ石英毛细管柱气相色谱分离,采用选择离子监测(SIM)的质谱扫描模式进行定量分析。结果呋喃在5～1000ng范围内线性良好,方法检测限(S/N≥3)为2.0ng/g;不同基底样品的加标回收率为86.1%～97.4%,相对标准偏差(RSD)均<10%;共检测热加工食品样品45份,检出浓度在<2.0～84.2ng/g之间。结论该方法灵敏度高、准确度高,适合热加工食品中呋喃的常规检测。
作者 孙健 何碧英 柳洁 周俏
机构地区 深圳市南山区疾病预防控制中心
出处 《华南预防医学》 2009年第4期48-52,共5页 South China Journal of Preventive Medicine
关键词 食品 呋喃 顶空气相色谱-质谱法
分类号 TS205 [轻工技术与工程—食品科学] O657.7 [理学—分析化学]
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参考文献5

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同被引文献21

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引证文献2

华南预防医学
2009年 第4期

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