评估巴西南部 Alagados 大坝中 Astyanax altiparanae 的有机氯农药污染情况。

IF 1.4 4区 农林科学 Q4 ENVIRONMENTAL SCIENCES
Tatiana R de O Stremel, Cleber Pinto da Silva, Cinthia E Domingues, Carmem Lucia Voigt, Carlos Raphael Pedroso, Carlos Magno de Sousa Vidal, Sandro X Campos
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引用次数: 0

摘要

有机氯杀虫剂 (OCP) 是以前用于农业的持久性污染物,以其生物累积能力和健康风险而闻名。本研究分析了从巴西巴拉那州 Alagados 水库采集的 Astyanax altiparanae 鱼的鱼子、内脏和肌肉样本。样品经过提取和净化处理,然后使用带有电子捕获检测器的气相色谱法(GC/ECD)进行分析。该方法的精度、准确度和检测限均通过了验证。检测到的 OCP 包括艾氏剂(鱼子中为 17.1 至 50.6 纳克/克)、α 硫丹(3.4 至 23.5 纳克/克)、p, p'-DDE (4.2 至 134.7 纳克/克)、狄氏剂(84.7 至 183.1 纳克/克)、β 硫丹(6.0 至 51.6 纳克/克)和 p, p'-DDT (56.6 至 286.8 纳克/克)。内脏中的浓度范围从艾氏剂(19.8 至 93.3 纳克/克)到 p, p'-DDT (52.3 至 89.2 纳克/克)。肌肉样本也呈现出类似的趋势。主成分分析表明,OCP 浓度较高与鱼腹部宽度增加之间存在联系。虽然 OCP 含量低于粮农组织和世卫组织的限值,但风险商数计算表明,食用这些鱼可能会对健康造成危害。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Assessment of organochlorine pesticide contamination in Astyanax altiparanae from the Alagados Dam, Southern Brazil.

Organochlorine pesticides (OCPs) are persistent pollutants previously used in agriculture, known for their ability to bioaccumulate and pose health risks. This study analyzed samples of roe, viscera, and muscle from Astyanax altiparanae fish collected from the Alagados reservoir in Paraná, Brazil. Samples were prepared through extraction and purification, then analyzed using gas chromatography with an electron capture detector (GC/ECD), chosen for its sensitivity in detecting OCPs. The method was validated for precision, accuracy, and detection limits. Detected OCPs included Aldrin (17.1 to 50.6 ng/g in roe), α-endosulfan (3.4 to 23.5 ng/g), p, p'-DDE (4.2 to 134.7 ng/g), Dieldrin (84.7 to 183.1 ng/g), β-endosulfan (6.0 to 51.6 ng/g), and p, p'-DDT (56.6 to 286.8 ng/g). In viscera, concentrations ranged from Aldrin (19.8 to 93.3 ng/g) to p, p'-DDT (52.3 to 89.2 ng/g). Muscle samples showed similar trends. Principal component analysis indicated a link between higher OCP concentrations and increased abdominal width of the fish. While OCP levels were below FAO and WHO limits, risk quotient calculations suggest potential health risks from consuming these fish.

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来源期刊
CiteScore
4.00
自引率
5.00%
发文量
87
审稿时长
1 months
期刊介绍: 12 issues per year Abstracted/indexed in: Agricola; Analytical Abstracts; ASFA 3: Aquatic Pollution & Environmental Quality; BioSciences Information Service of Biological Abstracts (BIOSIS); CAB Abstracts; CAB AGBiotech News and Information; CAB Irrigation & Drainage Abstracts; CAB Soils & Fertilizers Abstracts; Chemical Abstracts Service Plus; CSA Aluminum Industry Abstracts; CSA ANTE: Abstracts in New Technology and Engineering; CSA ASFA 3 Aquatic Pollution and Environmental Quality; CSA ASSIA: Applied Social Sciences Index & Abstracts; CSA Ecology Abstracts; CSA Entomology Abstracts; CSA Environmental Engineering Abstracts; CSA Health & Safety Science Abstracts; CSA Pollution Abstracts; CSA Toxicology Abstracts; CSA Water Resource Abstracts; EBSCOhost Online Research Databases; Elsevier BIOBASE/Current Awareness in Biological Sciences; Elsevier Engineering Information: EMBASE/Excerpta Medica/ Engineering Index/COMPENDEX PLUS; Environment Abstracts; Environmental Knowledge; Food Science and Technology Abstracts; Geo Abstracts; Geobase; Food Science; Index Medicus/ MEDLINE; INIST-Pascal/ CNRS; NIOSHTIC; ISI BIOSIS Previews; Pesticides; Food Contaminants and Agricultural Wastes: Analytical Abstracts; Pollution Abstracts; PubSCIENCE; Reference Update; Research Alert; Science Citation Index Expanded (SCIE); and Water Resources Abstracts.
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