Residue behaviors and dietary risk of cyazofamid in turnip, onion and romaine lettuce assessed by a QuEChERS-LC-MS/MS method
In this study, the dissipation, terminal residues and dietary risk of the cyazofamid residue in three globally consumed minor crops, turnip (Brassica rapa L.), onion (Allium cepa L.) and romaine lettuce (Lactuca sativa L.) were assessed by supervised field trials at 6 locations of China in 2020. A r...
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Tsinghua University Press
2023-09-01
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| Series: | Food Science and Human Wellness |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2213453023000241 |
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| author | Ruijuan Li Xue Men Rumei Li Tongjin Liu Hui Liang Feng Fang Dongxiao Sun-Waterhouse Yongli Wang |
| author_facet | Ruijuan Li Xue Men Rumei Li Tongjin Liu Hui Liang Feng Fang Dongxiao Sun-Waterhouse Yongli Wang |
| author_sort | Ruijuan Li |
| collection | DOAJ |
| description | In this study, the dissipation, terminal residues and dietary risk of the cyazofamid residue in three globally consumed minor crops, turnip (Brassica rapa L.), onion (Allium cepa L.) and romaine lettuce (Lactuca sativa L.) were assessed by supervised field trials at 6 locations of China in 2020. A reliable QuEChERS-LC-MS/MS method was developed for simultaneous analysis of cyazofamid and its primary metabolite, 4-chloro-5-p-tolylimidazole-2-carbonitrile (CCIM). The average recoveries of cyazofamid and CCIM in turnip, onion and romaine lettuce were 79 %–97 % and 77 %–99 %, respectively. The half-lives of cyazofamid in these crops were 5.7–6.5, 5.3–8.7 and 5.8–6.5 days in turnip, onion and romaine lettuce, respectively, with the final cyazofamid residues at harvest all lower than limit of quantitation (LOQ, 0.01 mg/kg). The turnip roots, onion bulbs and romaine lettuce leaves grown in China under Good Agricultural Practices conditions and harvested 10, 14 and 5 days, respectively, after the cyazofamid SC (100 g/L) application, would be reasonably safe for consumption by the general population. The maximum residue limit (MRL) values of cyazofamid could be tentatively set as 10 mg/kg for turnip leaves, 0.3 mg/kg for turnip roots, 0.05 mg/kg for onion bulbs, and 10 mg/kg for romaine lettuce leaves. |
| format | Article |
| id | doaj-art-0f8d5589d25f4c39af4b80a25002757a |
| institution | Kabale University |
| issn | 2213-4530 |
| language | English |
| publishDate | 2023-09-01 |
| publisher | Tsinghua University Press |
| record_format | Article |
| series | Food Science and Human Wellness |
| spelling | doaj-art-0f8d5589d25f4c39af4b80a25002757a2025-02-03T00:27:37ZengTsinghua University PressFood Science and Human Wellness2213-45302023-09-0112515381544Residue behaviors and dietary risk of cyazofamid in turnip, onion and romaine lettuce assessed by a QuEChERS-LC-MS/MS methodRuijuan Li0Xue Men1Rumei Li2Tongjin Liu3Hui Liang4Feng Fang5Dongxiao Sun-Waterhouse6Yongli Wang7Institute of Plant Protection, Shandong Academy of Agricultural Sciences, Jinan 250100, ChinaCollege of Food Science and Engineering, Shandong Agricultural University, Taian 271018, ChinaInstitute of Plant Protection, Shandong Academy of Agricultural Sciences, Jinan 250100, ChinaInstitute of Plant Protection, Shandong Academy of Agricultural Sciences, Jinan 250100, ChinaInstitute of Plant Protection, Shandong Academy of Agricultural Sciences, Jinan 250100, ChinaInstitute of Plant Protection, Shandong Academy of Agricultural Sciences, Jinan 250100, ChinaSchool of Chemical Sciences, The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand; Corresponding authors.College of Food Science and Engineering, Shandong Agricultural University, Taian 271018, China; Corresponding authors.In this study, the dissipation, terminal residues and dietary risk of the cyazofamid residue in three globally consumed minor crops, turnip (Brassica rapa L.), onion (Allium cepa L.) and romaine lettuce (Lactuca sativa L.) were assessed by supervised field trials at 6 locations of China in 2020. A reliable QuEChERS-LC-MS/MS method was developed for simultaneous analysis of cyazofamid and its primary metabolite, 4-chloro-5-p-tolylimidazole-2-carbonitrile (CCIM). The average recoveries of cyazofamid and CCIM in turnip, onion and romaine lettuce were 79 %–97 % and 77 %–99 %, respectively. The half-lives of cyazofamid in these crops were 5.7–6.5, 5.3–8.7 and 5.8–6.5 days in turnip, onion and romaine lettuce, respectively, with the final cyazofamid residues at harvest all lower than limit of quantitation (LOQ, 0.01 mg/kg). The turnip roots, onion bulbs and romaine lettuce leaves grown in China under Good Agricultural Practices conditions and harvested 10, 14 and 5 days, respectively, after the cyazofamid SC (100 g/L) application, would be reasonably safe for consumption by the general population. The maximum residue limit (MRL) values of cyazofamid could be tentatively set as 10 mg/kg for turnip leaves, 0.3 mg/kg for turnip roots, 0.05 mg/kg for onion bulbs, and 10 mg/kg for romaine lettuce leaves.http://www.sciencedirect.com/science/article/pii/S2213453023000241Cyazofamid residueMinor cropsMaximum residue limitDissipationDietary risk assessment |
| spellingShingle | Ruijuan Li Xue Men Rumei Li Tongjin Liu Hui Liang Feng Fang Dongxiao Sun-Waterhouse Yongli Wang Residue behaviors and dietary risk of cyazofamid in turnip, onion and romaine lettuce assessed by a QuEChERS-LC-MS/MS method Food Science and Human Wellness Cyazofamid residue Minor crops Maximum residue limit Dissipation Dietary risk assessment |
| title | Residue behaviors and dietary risk of cyazofamid in turnip, onion and romaine lettuce assessed by a QuEChERS-LC-MS/MS method |
| title_full | Residue behaviors and dietary risk of cyazofamid in turnip, onion and romaine lettuce assessed by a QuEChERS-LC-MS/MS method |
| title_fullStr | Residue behaviors and dietary risk of cyazofamid in turnip, onion and romaine lettuce assessed by a QuEChERS-LC-MS/MS method |
| title_full_unstemmed | Residue behaviors and dietary risk of cyazofamid in turnip, onion and romaine lettuce assessed by a QuEChERS-LC-MS/MS method |
| title_short | Residue behaviors and dietary risk of cyazofamid in turnip, onion and romaine lettuce assessed by a QuEChERS-LC-MS/MS method |
| title_sort | residue behaviors and dietary risk of cyazofamid in turnip onion and romaine lettuce assessed by a quechers lc ms ms method |
| topic | Cyazofamid residue Minor crops Maximum residue limit Dissipation Dietary risk assessment |
| url | http://www.sciencedirect.com/science/article/pii/S2213453023000241 |
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