食品科学 ›› 2009, Vol. 30 ›› Issue (2 ): 180-184.doi: 10.7506/spkx1002-6630-200902039

• 分析检测 • 上一篇    下一篇

液相色谱-质谱测定蔬菜水果中四种保鲜剂的残留量

张 卉,胡 梅,王 骏,张喜琦,祝建华   

  1. 山东省产品质量监督检验研究院
  • 收稿日期:2008-01-03 修回日期:2008-03-22 出版日期:2009-01-15 发布日期:2010-12-29
  • 通讯作者: 王骏 E-mail:sdzjywj@163.com
  • 基金资助:

    国家质量监督检验检疫总局科技项目(2006QK29)

Determination of Antistaling Agent Residues in Vegetables and Fruits with High Performance Liquid Chromatography-Mass Spectrometry

ZHANG Hui,HU Mei,WANG Jun,ZHANG Xi-qi,ZHU Jian-hua   

  1. (Shandong Provincial Institute of Product Quality Supervision and Inspection, Jinan 250100, China)
  • Received:2008-01-03 Revised:2008-03-22 Online:2009-01-15 Published:2010-12-29
  • Contact: WANG Jun E-mail:sdzjywj@163.com

摘要:

为了建立HPLC-MS 测定蔬菜、水果中保鲜剂多菌灵、噻苯咪唑、甲基硫菌灵、咪鲜胺残留量的方法。用甲醇- 盐酸溶液提取试样中的保鲜剂,经固相萃取净化,以反相液相色谱分离、质谱检测器测定。四种保鲜剂的最低检测限分别为:多菌灵1.0μg/kg、噻苯咪唑、咪鲜胺2.0μg/kg、甲基硫菌灵5.0μg/kg。多菌灵回收率为92.8%~103.2%,相对标准偏差为2.27%~4.01%;噻菌灵回收率为90.9%~102.5%,相对标准偏差为2.44%~4.17%;甲基硫菌灵回收率为74.9%~99.2%,相对标准偏差为2.97%~4.55%;咪鲜胺回收率为81.9%~97.6%,相对标准偏差为2.64%~4.49%。

关键词: 蔬菜, 水果, 保鲜剂, 残留, 液相色谱-质谱

Abstract:

A method for high performance liquid chromatography- mass spectrometry (HPLC-MS) determination of carbendazim, thiabendazole, thiophanate-methyl and prochloraz residues in vegetables and fruits was established. The sample was extracted with methanol-HCl aqueous as extraction solvents, and then cleaned up with solid-phase extraction. After separated by reversed-phase liquid chromatography, it was detected by a mass detector. The detectable limits of antistaling agents are 1.0 μg/kg (carbendazim), 2.0 μg/kg (thiabendazole and prochloraz), 5.0 μg/kg (thiophanate-methyl). The recovery of carbendazim is 92.8% to 103.2% with the RSD of 2.27% to 4.01%, the recovery of thiabendazole is 90.9% to 102.5% with the RSD of 2.44% to 4.17%, the recovery of thiophanate-methyl is 74.9% to 99.2% with the RSD of 2.97% to 4.55%, and the recovery of prochloraz is 81.9% to 97.6% with the RSD of 2.64% to 4.49%.

Key words: vegetables, fruits, antistaling agents, residue, HPLC-MS

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