Levels of organochlorine contaminants in natural bovine milk marketed in Mojuí dos Campos and Belterra, Brazil

Q3 Agricultural and Biological Sciences
Isabella Clarissa Vasconcelos Rêgo, Julio César Amaral Cardoso, José Augusto Amorim Silva do Sacramento, Márcia Mourão Ramos Azevedo, Joseph Simões Ribeiro, Ruy Bessa Lopes, Lucinewton Silva de Moura, Rosivaldo de Alcântara Mendes, Paulo Sérgio Taube
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Abstract

Analyzing the organochlorine pesticide (OCP) content in milk is relevantbecause it helps evaluate the quality of milk that reaches the consumer's table and also helps identify the geographical areas where there is a high possibility of contamination. Accordingly,thispilot project was aimed at determining the extent of contamination by OCP residues and their metabolites in fresh cow's milk in Mojuí dos Campos and Belterra, Pará, using solid-phase extraction (SPE) and gas chromatography coupled with electron capture detection (GC-ECD). The OCPs evaluated in this study weredichlorodiphenyltrichloroethane (DDT) and its metabolites (dichlorodiphenyldichloroethylene (DDE) and dichlorodiphenyldichloroethane (DDD)), hexachlorocyclohexane (HCH) (α, β, γ, and δ), endosulfanα and β, andendosulfansulfate. None of the thirty bovine milk samples analyzedshowed any contamination with OCPs.TheOCP content was within the limit of quantification of the method. The results of this study add to the existing knowledge on the quality ofbovine milk produced in these locations. However, further researchon other environmental matricesis required to confirm the results obtained in this study.
巴西Mojuí dos Campos和Belterra市售天然牛奶中有机氯污染物水平
分析牛奶中的有机氯农药(OCP)含量是相关的,因为它有助于评估到达消费者餐桌的牛奶的质量,也有助于确定污染可能性很高的地理区域。因此,本试点项目旨在利用固相萃取(SPE)和气相色谱-电子捕获检测(GC-ECD)技术,确定Mojuí dos Campos和parterra地区新鲜牛奶中OCP残留物及其代谢物的污染程度。本研究评估的ocp为二氯二苯三氯乙烷(DDT)及其代谢物(二氯二苯二氯乙烯(DDE)和二氯二苯二氯乙烷(DDD))、六氯环己烷(HCH) (α、β、γ和δ)、磺胺内酯α和β和磺胺内酯。分析的30份牛奶样本中没有发现任何ocp污染。ocp含量在方法定量限度内。这项研究的结果增加了对这些地方生产的牛奶质量的现有知识。然而,需要对其他环境矩阵进行进一步的研究来证实本研究的结果。
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来源期刊
Acta Scientiarum. Animal Sciences
Acta Scientiarum. Animal Sciences Agricultural and Biological Sciences-Food Science
CiteScore
1.60
自引率
0.00%
发文量
45
审稿时长
9 weeks
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