[1]林 涛,樊建麟,杨东顺,等.甜椒中噻苯隆的测定及其残留动态[J].江苏农业学报,2016,(03):694.[doi:10.3969/j.issn.1000-4440.2016.03.032]
　LIN Tao,FAN Jian-lin,YANG Dong-shun,et al.Determination of thidiazuron and its dissipation behavior in pimiento[J].,2016,(03):694.[doi:10.3969/j.issn.1000-4440.2016.03.032]
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甜椒中噻苯隆的测定及其残留动态()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2016年03期
页码:
694
栏目:
加工贮藏·质量安全
出版日期:
2016-06-30

文章信息/Info

Title:
Determination of thidiazuron and its dissipation behavior in pimiento
作者:
林 涛1; 2;  樊建麟1;  杨东顺1;  乔绍伟3;  刘兴勇1;  李彦刚1;  刘宏程1; 2
1.云南省农业科学院质量标准与检测技术研究所,云南 昆明 650223; 2.农业部农产品质量安全风险评估实验室<昆明>,云南 昆明 650223; 3.云南省玉溪市红塔区农产品质量安全检测站,云南 玉溪 653100
Author(s):
LIN Tao1; 2;  FAN Jian-lin1;  YANG Dong-shun1;  QIAO Shao-wei3;  LIU Xing-yong1;  LI Yan-gang1; LIU Hong-cheng1; 2
1.Institute of Quality Standards&Testing Technique, Yunnan Academy of Agricultural Science, Kunming 650223, China; 2.Laboratory of Quality & Safety Risk Assessment for Agro-products <Kunming>, Ministry of Agriculture, Kunming 650223, China; 3.The Test Station for Quality Security of Farm Products, Hongta Borough, Yunan Province, Yuxi 677000, China
关键词:
甜椒;  噻苯隆;  残留动态
Keywords:
pimiento;  thidiazuron;  residue dynamics
分类号:
TQ450.2
DOI:
10.3969/j.issn.1000-4440.2016.03.032
文献标志码:
A
摘要:
为了解噻苯隆在甜椒中的消解动态和最终残留情况,采用超高效液相色谱-串联质谱(UHPLC-MS/MS)测定。噻苯隆在 0.1～10.0 μg/L的浓度范围内具有较好的线性,检出限为0.05 μg/kg,定量限0.20 μg/kg,在3个添加水平下,噻苯隆的平均回收率为 90.5%～94.1%,相对标准偏差为 6.2%～7.3%。田间试验结果表明噻苯隆在甜椒中的消解半衰期为2.7 d,属于易降解性农药。最终残留试验结果表明,噻苯隆在采收期的甜椒中未检测出。该测定方法简单快速,适于甜椒中噻苯隆的快速测定,噻苯隆在甜椒上的使用较为安全。
Abstract:
A method for the determination of thidiazuron in pimiento by using ultra-high performace liquid chromatograph-tandem mass spectrometry(UHPLC-MS/MS)was established, and thidiazuron degradation behavior in pimiento was also investigated. The limit of detection(LOD)of thidiazuron reached 0.05 μg/kg and the limit of quantification(LOQ)was 0.20 μg/kg, when the concentration ranged from 0.1 μg/L to 10.0 μg/L. For the spiked samples, the average recoveries of thidiazuron ranged from 90.5% to 94.1%, with the relative standard deviations from 6.2% to 7.3%. Field trial showed that the half life of thidiazuron in pimiento was 2.7 d, implying that thidiazuron is degradable. The residue of thidiazuron at harvest appeared to be less than 0.05 μg/kg(LOD). The method is applicable for fast determination of thidazuron in pimiento.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2015-08-24
基金项目:云南省社会发展科技计划项目(2012CA005); 2015年国家农产品质量安全风险评估项目(GJFP2015001); 云南省科技创新平台建设计划项目(2014DA001)
作者简介::林 涛(1987-),男,云南昭通人,硕士,助理研究员。(E-mail)lintaonj@126.com
通讯作者:刘宏程,(Tel)0871-65140430;(E-mail)liuorg@163.com
更新日期/Last Update: 2016-06-30