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Accumulation, translocation, metabolism and subcellular distribution of mandipropamid in cherry radish: A comparative study under hydroponic and soil-cultivated conditions
Food Chemistry ( IF 8.5 ) Pub Date : 2024-03-29 , DOI: 10.1016/j.foodchem.2024.139169 Yu Ye 1 , Hao Zhang 1 , Ye You 1 , Fanxia Liao 1 , Jing Shi 2 , Kankan Zhang 1
Food Chemistry ( IF 8.5 ) Pub Date : 2024-03-29 , DOI: 10.1016/j.foodchem.2024.139169 Yu Ye 1 , Hao Zhang 1 , Ye You 1 , Fanxia Liao 1 , Jing Shi 2 , Kankan Zhang 1
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The accumulation and transportation of pesticides in plants can provide valuable insights to assess potential risks and ensure food safety. The uptake and downward translocation of mandipropamid were examined in hydroponic and soil-cultivated cherry radishes. The uptake of mandipropamid in cherry radish was rapid (bioconcentration factors of 1.1–10.7), whereas the downward translocation was limited (translocation factors of 0.1–0.9). The subcellular distribution results indicated a predominant accumulation in solid fractions of cherry radish (proportions of 52.9–98.7%), potentially because of the hydrophobicity (log of 3.2) of mandipropamid. Owing to the decrease in half-life (>10%), the cultivation of cherry radish enhanced the dissipation of mandipropamid in both nutrient solutions (without stereoselectivity) and soils (with stereoselectivity). In addition, eleven metabolites and three pathways are proposed. This study provides valuable insights for the varying extent of translocation and proper utilization and safety evaluation of mandipropamid in crops.
中文翻译：
樱桃萝卜中苯丙酰胺的积累、易位、代谢和亚细胞分布：水培和土培条件下的比较研究
农药在植物中的积累和运输可以为评估潜在风险和确保食品安全提供有价值的见解。在水培和土壤栽培的樱桃萝卜中检查了双丙酰胺的吸收和向下转运。樱桃萝卜中双丙酰胺的吸收很快（生物浓缩因子为 1.1-10.7），而向下转位有限（转位因子为 0.1-0.9）。亚细胞分布结果表明樱桃萝卜的固体部分主要积累（比例为 52.9-98.7%），可能是由于 mandipropamid 的疏水性（log 3.2）。由于半衰期缩短（>10%），樱桃萝卜的种植增强了双丙酰胺在营养液（无立体选择性）和土壤（有立体选择性）中的消散。此外，还提出了十一种代谢物和三种途径。这项研究为双唑草胺在作物中不同程度的易位、正确利用和安全性评估提供了宝贵的见解。
更新日期：2024-03-29
中文翻译：
樱桃萝卜中苯丙酰胺的积累、易位、代谢和亚细胞分布：水培和土培条件下的比较研究
农药在植物中的积累和运输可以为评估潜在风险和确保食品安全提供有价值的见解。在水培和土壤栽培的樱桃萝卜中检查了双丙酰胺的吸收和向下转运。樱桃萝卜中双丙酰胺的吸收很快（生物浓缩因子为 1.1-10.7），而向下转位有限（转位因子为 0.1-0.9）。亚细胞分布结果表明樱桃萝卜的固体部分主要积累（比例为 52.9-98.7%），可能是由于 mandipropamid 的疏水性（log 3.2）。由于半衰期缩短（>10%），樱桃萝卜的种植增强了双丙酰胺在营养液（无立体选择性）和土壤（有立体选择性）中的消散。此外，还提出了十一种代谢物和三种途径。这项研究为双唑草胺在作物中不同程度的易位、正确利用和安全性评估提供了宝贵的见解。
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