A rapid and effective method was developed for determination of kresoxim-methyl residue in apple. Field trials were designed to evaluate the dissipation and residue of kresoxim-methyl in apple at Hebei (China), Shandong (China) and Anhui (China). The dietary exposure and risk assessment were also conducted by using the calculation of risk quotient (RQ). The samples were extracted by Acetone and ethyl acetate, cleaned up by Florisil solid phase extraction column and detected by gas chromatograph with DB-1701 capillary column and electron capture detector. The results showed good average recoveries of 80%-99% with relative standard deviations of 0.9%-1.3% at the spiked level of 0.02, 0.20 and 2.0 mg /kg. The limit of detection (LOD) was 1.0×10-12 g and the limit of quantification (LOQ) was 0.02 mg /kg. The results were found that the half lives of kresoxim-methly in apple of Hebei (China), Shandong (China) and Anhui (China) were 6.09, 12.6 and 10.0 d respectively, and the terminal residue was below MRL (0.2 mg/kg) 14 days after application, the RQ of kresoxim-methyl were far below 1. It predicted that it was safe for human being when kresoxim-methyl was used to control Apple tree diseases.
Published in | International Journal of Nutrition and Food Sciences (Volume 5, Issue 4) |
DOI | 10.11648/j.ijnfs.20160504.19 |
Page(s) | 293-296 |
Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
Copyright |
Copyright © The Author(s), 2016. Published by Science Publishing Group |
Kresoxim-methyl, Apple, Residue, Risk Assessment
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APA Style
Qian Xun, Chen Yong-da, Zheng Zhen-shan, Wang Li, Zhang Shao-jun. (2016). Residue and Risk Assessment of Kresoxim-methyl in Apple Under Field Conditions. International Journal of Nutrition and Food Sciences, 5(4), 293-296. https://doi.org/10.11648/j.ijnfs.20160504.19
ACS Style
Qian Xun; Chen Yong-da; Zheng Zhen-shan; Wang Li; Zhang Shao-jun. Residue and Risk Assessment of Kresoxim-methyl in Apple Under Field Conditions. Int. J. Nutr. Food Sci. 2016, 5(4), 293-296. doi: 10.11648/j.ijnfs.20160504.19
AMA Style
Qian Xun, Chen Yong-da, Zheng Zhen-shan, Wang Li, Zhang Shao-jun. Residue and Risk Assessment of Kresoxim-methyl in Apple Under Field Conditions. Int J Nutr Food Sci. 2016;5(4):293-296. doi: 10.11648/j.ijnfs.20160504.19
@article{10.11648/j.ijnfs.20160504.19, author = {Qian Xun and Chen Yong-da and Zheng Zhen-shan and Wang Li and Zhang Shao-jun}, title = {Residue and Risk Assessment of Kresoxim-methyl in Apple Under Field Conditions}, journal = {International Journal of Nutrition and Food Sciences}, volume = {5}, number = {4}, pages = {293-296}, doi = {10.11648/j.ijnfs.20160504.19}, url = {https://doi.org/10.11648/j.ijnfs.20160504.19}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijnfs.20160504.19}, abstract = {A rapid and effective method was developed for determination of kresoxim-methyl residue in apple. Field trials were designed to evaluate the dissipation and residue of kresoxim-methyl in apple at Hebei (China), Shandong (China) and Anhui (China). The dietary exposure and risk assessment were also conducted by using the calculation of risk quotient (RQ). The samples were extracted by Acetone and ethyl acetate, cleaned up by Florisil solid phase extraction column and detected by gas chromatograph with DB-1701 capillary column and electron capture detector. The results showed good average recoveries of 80%-99% with relative standard deviations of 0.9%-1.3% at the spiked level of 0.02, 0.20 and 2.0 mg /kg. The limit of detection (LOD) was 1.0×10-12 g and the limit of quantification (LOQ) was 0.02 mg /kg. The results were found that the half lives of kresoxim-methly in apple of Hebei (China), Shandong (China) and Anhui (China) were 6.09, 12.6 and 10.0 d respectively, and the terminal residue was below MRL (0.2 mg/kg) 14 days after application, the RQ of kresoxim-methyl were far below 1. It predicted that it was safe for human being when kresoxim-methyl was used to control Apple tree diseases.}, year = {2016} }
TY - JOUR T1 - Residue and Risk Assessment of Kresoxim-methyl in Apple Under Field Conditions AU - Qian Xun AU - Chen Yong-da AU - Zheng Zhen-shan AU - Wang Li AU - Zhang Shao-jun Y1 - 2016/07/20 PY - 2016 N1 - https://doi.org/10.11648/j.ijnfs.20160504.19 DO - 10.11648/j.ijnfs.20160504.19 T2 - International Journal of Nutrition and Food Sciences JF - International Journal of Nutrition and Food Sciences JO - International Journal of Nutrition and Food Sciences SP - 293 EP - 296 PB - Science Publishing Group SN - 2327-2716 UR - https://doi.org/10.11648/j.ijnfs.20160504.19 AB - A rapid and effective method was developed for determination of kresoxim-methyl residue in apple. Field trials were designed to evaluate the dissipation and residue of kresoxim-methyl in apple at Hebei (China), Shandong (China) and Anhui (China). The dietary exposure and risk assessment were also conducted by using the calculation of risk quotient (RQ). The samples were extracted by Acetone and ethyl acetate, cleaned up by Florisil solid phase extraction column and detected by gas chromatograph with DB-1701 capillary column and electron capture detector. The results showed good average recoveries of 80%-99% with relative standard deviations of 0.9%-1.3% at the spiked level of 0.02, 0.20 and 2.0 mg /kg. The limit of detection (LOD) was 1.0×10-12 g and the limit of quantification (LOQ) was 0.02 mg /kg. The results were found that the half lives of kresoxim-methly in apple of Hebei (China), Shandong (China) and Anhui (China) were 6.09, 12.6 and 10.0 d respectively, and the terminal residue was below MRL (0.2 mg/kg) 14 days after application, the RQ of kresoxim-methyl were far below 1. It predicted that it was safe for human being when kresoxim-methyl was used to control Apple tree diseases. VL - 5 IS - 4 ER -