4.7 Article

Pesticide Residue Behavior and Risk Assessment in Celery after Se Nanoparticles Application

期刊

FOODS
卷 10, 期 9, 页码 -

出版社

MDPI
DOI: 10.3390/foods10091987

关键词

residue behavior; dissipation; celery; risk assessment; pesticides

资金

  1. Ministry of Agriculture and Rural Risk Assessment Program [GJFP2019008]
  2. open fund project of northwest oasis Agricultural Environment Key Laboratory of Ministry of Agriculture and Rural [XBLZ-20206]

向作者/读者索取更多资源

The study investigates pesticide levels in celery and how they degrade after being sprayed with selenium nanoparticles. Results show that the degradation rate of pesticides in celery is accelerated, with reduced half-lives, and dietary exposure risk remains within acceptable limits, except for abamectin.
This study investigates pesticide levels in celery, and compares their degradation, dissipation, distribution, and dietary risk after spraying with selenium (Se) nanoparticles. Abamectin, imidacloprid, acetamiprid, thiamethoxam, and lambda-cyhalothrin were sprayed at 1.6, 6.8, 2.0, 1.0, and 0.7 g a.i. ha(-1) followed by a 2 g.ha(-1) Se nanoparticle application during the growing period. Thiamethoxam, abamectin, imidacloprid, lambda-cyhalothrin, and acetamiprid in celery degraded following a first order kinetic model after 2 g.ha(-1) Se nanoparticles application. With the exception of acetamiprid, the half-lives of thiamethoxam, abamectin, imidacloprid, and lambda-cyhalothrin were reduced from 2.4, 0.5, 1.2, 4.2 days without Se nanoparticles application to 1.4, 0.2, 0.9, 3.7 days with the addition of Se nanoparticles (2 g.ha(-1)), respectively. The chronic dietary exposure risk probability (RQc) and the acute dietary exposure risk probability (RQa) of celery after Se nanoparticles application were within acceptable limits for consumption except for abamectin.

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