Effect of household processing and unit to unit variability of azoxystrobin, acrinathrin and kresoxim methyl residues in zucchini
Effect of household processing and unit to unit variability of azoxystrobin, acrinathrin and kresoxim methyl residues in zucchini
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DOI：
10.1016/j.foodcont.2011.11.038
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发表时间：
2012-06-01
期刊：
影响因子：
6
通讯作者：
Garcia-Fuentes, Luis
中科院分区：
文献类型：
--
作者：
Aguilera, Ana;Valverde, Antonio;Garcia-Fuentes, Luis
测定了嘧菌酯、胺菊酯和醚菌酯在温室西葫芦中的残留量。采用乙酸乙酯萃取、气相色谱-电子捕获检测器（GC-ECD）进行分析。嘧菌酯最大残留量为1.87 mg/kg，菊酯为0.25 mg/kg，醚菌酯为0.20 mg/kg。三个不同的家庭处理（洗，去皮和烹饪）的应用程序和这些农药在西葫芦的“单位到单位”的变异性的研究也进行了。的洗涤加工因子导致为0.3，0.2和0.0的氨菊酯，嘧菌酯和醚菌酯，分别为;而剥离加工因子的范围在0.0和0.1之间。蒸煮加工因子为0.9，为菊酯醚菌酯和嘧菌酯的1.1，1.4，在烹饪过程中的西葫芦样品中的水的平均损失为36%。还在六个不同的样品上测定了“单位到单位”的变异系数，每个样品含有十个未加工的水果（单位）。在所有情况下，三种农药的“单位间”变异系数在1.3和2.4之间。(C)2011爱思唯尔有限公司版权所有。
Residue levels of azoxystrobin, acrinathrin and kresoxim methyl were determined in zucchini grown in an experimental greenhouse during a two weeks period in which repeated treatments with the three pesticides were applied. Analysis was carried out by using ethyl acetate extraction and gas chromatography with electron capture detection (GC-ECD). The maximum values of residues determined in the plantation were 1.87 mg/kg for azoxystrobin, 0.25 mg/kg for acrinathrin and 0.20 mg/kg for kresoxim methyl. The application of three different household processing (washing, peeling and cooking) and the study of "unit to unit" variability of these pesticides in zucchini were also carried out. The washing processing factors resulted to be 0.3, 0.2 and 0.0 for acrinathrin, azoxystrobin and kresoxim methyl, respectively; whereas the peeling processing factors ranged between 0.0 and 0.1. The cooking processing factors were 0.9 for acrinathrin, 1.1 for kresoxim methyl and 1.4 for azoxystrobin, the average loss of water in the zucchini samples during the cooking process being 36 %. The "unit to unit" variability factors were also determined on six different samples containing ten unprocessed fruits (units) each sample. In all cases, the "unit to unit" variability factors obtained for the three pesticides ranged between 1.3 and 2.4. (C) 2011 Elsevier Ltd. All rights reserved.