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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Liu, Jie Rashid, Muhammad Qi, Jiangwei Hu, Meiying Zhong, Guohua |
| Description | Author Affiliation: Liu J ( Key Laboratory of National Pesticide and Chemical Biology, Ministry of Education and Lab of Insect Toxicology, South China Agricultural University, Guangzhou 510642, PR China.); Rashid M ( Key Laboratory of National Pesticide and Chemical Biology, Ministry of Education and Lab of Insect Toxicology, South China Agricultural University, Guangzhou 510642, PR China.); Qi J ( Key Laboratory of National Pesticide and Chemical Biology, Ministry of Education and Lab of Insect Toxicology, South China Agricultural University, Guangzhou 510642, PR China.); Hu M ( Key Laboratory of National Pesticide and Chemical Biology, Ministry of Education and Lab of Insect Toxicology, South China Agricultural University, Guangzhou 510642, PR China.); Zhong G ( Key Laboratory of National Pesticide and Chemical Biology, Ministry of Education and Lab of Insect Toxicology, South China Agricultural University, Guangzhou 510642, PR China. Electronic address: guohuazhong@scau.edu.cn.) |
| Abstract | The novel nonsteroidal ecdysone agonist tebufenozide is capable of controlling a wide range of lepidopteran pests. However its intensive use in vegetables has raised concerns towards the safety of food and environment. Here, we developed an easy and reliable method to analyze tebufenozide in cabbage and soil by reversed-phase high performance liquid chromatography (HPLC). The average recoveries of tebufenozide ranged from 72.01% to 101.10% with the relative standard deviations (RSD)<6%, and the LOD and LOQ were 0.02µgg and 0.05µgg , respectively. According to the dissipation study, the half-lives of tebufenozide were 2.96 and 4.08 d in cabbage and 4.95-7.70d in soil, respectively. The final residues were determined below the maximum residue limit (MRL) (0.5mgkg ) after a pre-harvest interval (PHI) of 7d. Moreover, its major metabolites were identified by liquid chromatography tandem mass spectrometry (LC-MS/MS) on LTQ-Orbitrap XL, which leading to the first report of the degradation pathway of tebufenozide in cabbage. The present study is expected to provide basic data for the use guidance and safety evaluation of tebufenozide in agricultural crops and environment. |
| File Format | HTM / HTML |
| ISSN | 01476513 |
| Journal | Ecotoxicology and Environmental Safety |
| Volume Number | 134P1 |
| e-ISSN | 10902414 |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2016-12-01 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Content Type | Text |
| Resource Type | Article |
| Subject | Pollution Health, Toxicology and Mutagenesis Public Health, Environmental and Occupational Health |
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