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投稿时间：2016-11-22
投稿时间：2016-11-22
中文摘要: 采用气相色谱－质谱法建立对东北人参中 9 种农药残留的测定方法。 采用 70 %乙醇溶液提取人参中的五氯硝 基苯、腐霉利、毒死蜱、甲基毒死蜱、噁霜灵、三唑醇、乙草胺、丙环唑、甲基立枯磷 9 种农药残留，通过环己烷萃取进行精 制，利用气相色谱进行分离，质谱进行定量测定。研究结果显示农药组分的回收率在 78.2 %～122.4 %，相对标准偏差均 不大于 5 %，定量限为 0.007 mg/kg～0.082 mg/kg。回收率情况表明，该方法用于人参样品的农药残留检测效果良好。采用 本方法对中国东北地区收集的 10 批人参样品的农药残留进行了检测，样品农残检出率从高到低的顺序为五氯硝基苯> 腐霉利>丙环唑>乙草胺>毒死蜱>甲基立枯磷>甲基毒死蜱>噁霜灵>三唑醇。该方法快速简便，经济且具有较高的灵敏 度，可以应用于人参药材及其提取物的农药残留检测之中。
Abstract:The method for the determination of nine Pesticide Residues in Panax ginseng from Northeast China by GC-MS was described in this paper， which also can be used for confirmation and quantitation. The pesticides were extracted from the ginseng sample with 70 % ethanol， refined by cyclohexane extraction， separated and quantitatively determined by gas mass spectrometry. The results showed the recovery rate of the components of pesticides in 78.2 %-122.4 %， the relative standard deviation was less than 5 %， the limit of quantification was
0.007 mg/kg-0.082 mg/kg. Recovery rate showed that this method was effective for detecting pesticide residue in ginseng samples with good results. Using this method to detect the pesticides of 10 batches of ginseng samples collected from the northeast of China， the detection rate of pesticide residue was as follows：Pentachloroni－ trobenzene> procymidone> propiconazole> acetochlor > chlorpyrifos > tolclofos methyl>chlorpyrifos-methyl> Oxadixyl> triadimefon. This method was simple， economic and high sensitivity， which can be used to detect the pesticide residue in Panax ginseng.
keywords: Panax ginseng pesticide residues GC-MS detection
文章编号：201706027 中图分类号： 文献标志码：
基金项目:天津市工业科技开发专项资金项目（201603112）；天津市 技术创新引导专项（基金）计划（15YDSSNC00040）
| 作者 | 单位 |
| 孙华庚1，2，王媚2，赵爱源3，吴巍2，刘丹2，刘莹2，刘岱琳3，*，魏晓瑶3，石浩源3，齐书艺3 | 1. 天津中医药大学，天津 300193；2. 天津市尖峰天然产物研究开发有限公司，天津 300457； 3. 中国人民武装警察部队后勤学院，天津 300309 |
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