Pesticide residues in oranges from Valencia (Spain)

被引:40
|
作者
Fernández, M [1 ]
Picó, Y [1 ]
Mañes, J [1 ]
机构
[1] Univ Valencia, Lab Bromatol & Toxicol, Fac Farm, E-46100 Valencia, Spain
来源
FOOD ADDITIVES AND CONTAMINANTS | 2001年 / 18卷 / 07期
关键词
pesticide residue; gas chromatography; liquid chromatography; mass spectrometry; oranges; monitoring; analysis; Spain;
D O I
10.1080/02652030010027615
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
One hundred and fifty citrus samples from an agricultural co-operative of the Valencian Community (Spain) were analysed for pre- and post-harvest pesticide residues using high performance liquid chromatography and gas chromatography. Among the residues from post-harvest treatments, imazalil was detected in 112 (74.7%) samples at a mean level of 1.2 mg/kg, thiabendazole in 21 (14.0%) samples at a mean level of 0.47 mg/kg and carbendazim in 5 (3.3%) samples at a mean level of 1.05 mg/kg. Among the residues from pre-harvest treatment, dicofol was detected in 28 (18.7%) samples at a mean level of 0.28 mg/kg, chlorpyriphos in 19 (12.7%) samples at a mean level of 0.16 mg/kg and endosulfan in 11 (7.3%) at a mean level of 0.27 mg/kg. Most of the samples contained residues of various pesticides and six samples (4.0%) exceeded the European Union Maximum Residue Limit (MRL). The pesticides that surpassed the MRLs were chlorpyriphos in five samples and dicofol in one.
引用
收藏
页码:615 / 624
页数:10
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