Mutengwe Mbulaheni T, Chidamba Lizyben, Korsten Lise
Department of Plant Science, Institute for Food Nutrition and Well-Being, University of Pretoria, Private Bag X20, Hatfield, 0028, South Africa.
J Food Prot. 2016 Nov;79(11):1938-1945. doi: 10.4315/0362-028X.JFP-16-190.
In most countries, fresh produce sold at local markets is usually not analyzed for agricultural chemical residues as export products are, which raises concerns about the perceived safety levels of local food supplies in contrast with exported products. The aim of this study was to determine pesticide residue levels in fruits and vegetables sold at two of the biggest fresh produce markets in Africa. A total of 199 fruit and vegetable samples were collected between 2012 and 2014 and analyzed for 74 pesticides commonly used in the horticultural sector. Of the samples analyzed, 91% were compliant with set maximum residue levels (MRLs). The remaining samples either contained unregistered chemicals (8%) or exceeded set MRL values (1%). Products containing more than one pesticide residue constituted 4.02% of all samples tested. Imazalil and iprodione were found to be the most frequently detected pesticides (12 samples each). Boscalid, endosulfan, profenofos, and procymidone were associated with the most noncompliance, including exceeding MRL values or being unregistered for the specific crop. The establishment of a national pesticide monitoring program is essential for the country and would ensure that pesticides are used in accordance with good agricultural practices.
在大多数国家，当地市场销售的新鲜农产品通常不会像出口产品那样接受农药残留分析，这引发了人们对本地食品供应与出口产品相比的感知安全水平的担忧。本研究的目的是确定在非洲两个最大的新鲜农产品市场销售的水果和蔬菜中的农药残留水平。2012年至2014年期间共采集了199份水果和蔬菜样本，并对园艺部门常用的74种农药进行了分析。在分析的样本中，91%符合设定的最大残留限量（MRLs）。其余样本要么含有未注册的化学物质（8%），要么超过了设定的MRL值（1%）。含有一种以上农药残留的产品占所有测试样本的4.02%。抑霉唑和异菌脲被发现是最常检测到的农药（各12个样本）。啶酰菌胺、硫丹、丙溴磷和腐霉利与大多数不符合规定的情况有关，包括超过MRL值或特定作物未注册。建立国家农药监测计划对该国至关重要，并将确保按照良好农业规范使用农药。
