| 东莞市场10种不同品牌绿茶中30种农药残留的检测 |
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| 引用本文： | 李艳芳,叶瑜霏,徐 匆,等.东莞市场10种不同品牌绿茶中30种农药残留的检测[J].广东农业科学,2015,42(3):74-78. |
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| 作者姓名： | 李艳芳 叶瑜霏 徐 匆 等 |
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| 作者单位： | 1. 东莞市农业科学研究中心,广东东莞,523086
2. 东莞市农产品质量安全监督检测所,广东东莞,523086 |
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| 基金项目： | 东莞市科技计划重点项目 |
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| 摘 要： | 以东莞本地超市在售的10种不同品牌的绿茶为研究对象,对常用的30种有机磷类、菊酯类农药进行残留检测.样品用乙腈提取,经净化定容后用基质标准溶液进行外标法校正定量.结果显示,10种绿茶中,有6个品牌检测出有毒死蜱、联苯、氯氟氰菊酯不同浓度的超标现象,其他4个品牌也有少量残留,但含量均在国家最大残留量范围内.
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| 关 键 词： | 东莞 绿茶 农药残留 |
Detection of 30 kinds of pesticide residues from 10 different brands of green tea from Dongguan market |
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| Abstract: | The paper took 10 different brands of green tea collected form Dongguan local supermarket as research objects, and researched the residue of 30 kinds of organophosphorus pesticides and pyrethroid pesticides.The samples were extracted by acetonitrile and cleared, then concentrated by rotary evaporators. The results revealed that, three pesticides were seriously excessive including chlorpyrifos, bifenthrin and cyhalothrin in 6 brands, and the other brands had small amount of pesticide residues. |
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| Keywords: | Dongguan green tea pesticide residues |
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