珠江河网水产品中菊酯类农药残留调查及健康风险评价Residual Levels and Health Risk Assessment of Pyrethroid Pesticides in Aquatic Products of the Pearl River Delta
赵李娜;赖子尼;张威振;曾艳艺;王超;杨婉玲;李秀丽;高原;
摘要(Abstract):
2012年8月在珠江河网采集水产品样品(13种鱼,4种虾和2种贝),采用超声波提取-气相色谱法对样品中菊酯类农药(PYRs)进行残留检测,并对鱼类PYRs暴露水平进行健康风险评价。结果显示,鱼类肌肉、虾类和贝类中PYRs质量分数分别介于ND~3.05μg·kg-1、0.05~1.13μg·kg-1和0.69~1.20μg·kg-1(ND为未检出,以湿重计),平均值分别为0.90μg·kg-1、0.41μg·kg-1和0.99μg·kg-1。虾类和贝类中PYRs的检出率均很高,除联苯菊酯在虾类体内检出率为75%外,其他菊酯均为100%,鱼类肌肉中氯菊酯检出率最高,达到100%。氯菊酯在鱼类肌肉和贝类中的检出量最高,分别占总菊酯质量分数的52.2%和55.4%,溴氰菊酯在虾类中检出量最高,分别占总菊酯质量分数的33.0%;对居民通过食物摄入的PYRs进行食用暴露风险评估,结果表明,珠江河网水产品中PYRs人体健康危害的年总风险评价介于3.96×10-13~1.21×10-10a-1,水产品的安全消费量为5.54×104kg·d-1,水产品中的PYRs的健康危险风险很小。
关键词(KeyWords): 珠江河网;水产品;菊酯类农药(PYRs);氯菊酯;风险评价
基金项目(Foundation): 公益性行业(农业)科研专项"珠江及其河口渔业资源评价和增殖养护技术研究与示范(201303048)";; 广东省海洋渔业科技推广专项(A2011009)
作者(Author): 赵李娜;赖子尼;张威振;曾艳艺;王超;杨婉玲;李秀丽;高原;
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DOI:
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