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卢恒, 徐宁, 孟繁蕴. 冬虫夏草重金属的含量测定和健康风险评价[J]. 环境化学, 2017, 36(5): 1003-1008. doi: 10.7524/j.issn.0254-6108.2017.05.2016083103
引用本文: 卢恒, 徐宁, 孟繁蕴. 冬虫夏草重金属的含量测定和健康风险评价[J]. 环境化学, 2017, 36(5): 1003-1008. doi: 10.7524/j.issn.0254-6108.2017.05.2016083103
shu
LU Heng, XU Ning, MENG Fanyun. Determination and health risk assessment of heavy metals in Cordyceps sinensis (Berk.) Sacc[J]. Environmental Chemistry, 2017, 36(5): 1003-1008. doi: 10.7524/j.issn.0254-6108.2017.05.2016083103
Citation: LU Heng, XU Ning, MENG Fanyun. Determination and health risk assessment of heavy metals in Cordyceps sinensis (Berk.) Sacc[J]. Environmental Chemistry, 2017, 36(5): 1003-1008. doi: 10.7524/j.issn.0254-6108.2017.05.2016083103
shu

冬虫夏草重金属的含量测定和健康风险评价

  • 1.

    北京师范大学地理科学学部, 北京, 100875;

  • 2.

    北京师范大学教育部资源药物工程研究中心, 北京, 100875

  • 基金项目:

    国家基础性工作专项（2013FY114500，2015FY111500）； 国家中药标准化项目（ZYBZH-Y-HEN-18） 资助

Determination and health risk assessment of heavy metals in Cordyceps sinensis (Berk.) Sacc

  • 1.

    Faculty of Geographical Science, Beijing Normal University, Beijing, 100875, China;

  • 2.

    Institute of Natural Medicine and Chinese Medicine Resources, Beijing Normal University, Beijing, 100875, China

  • Fund Project: Supported by National Basic Research Special Foundation of China (2013FY114500, 2015FY111500) and National standardization project of traditional Chinese Medicine (ZYBZH-Y-HEN-18)

  • 摘要: 收集了45个不同市售来源的冬虫夏草样品，通过微波消解-电感耦合等离子体质谱法（ICP-MS）测定其 As、Pb、Cd、Cu 等重金属含量，通过微波消解-原子荧光光谱分析法（AFS）测定其 Hg 含量.用靶标危害系数（THQ）和总危害指数（HI） 对 Hg、Pb、Cd、Cu 等 4 种重金属进行非致癌健康风险评价，用终生致癌风险（R）对 As 进行致癌健康风险评价.实验表明，45 个样品中，As含量超标率达到100%，Hg含量超标率也达到70%，其他 3 种重金属均未检出超标现象. 4 种重金属的 THQ 以及 HI 值均远远小于1.0，即表明 4 种重金属通过冬虫夏草的摄入不会对人体造成非致癌风险.以总砷计算 R=6.39×10-5超出WHO规定的限值1.0×10-5；而以无机砷计算R=3.09×10-7远远低于其限值.
    Abstract: Microwave digestion-ICP-MS was used to measure As, Pb, Cd and Cu concentration, and Microwave digestion-AFS was used to measure Hg concentration in 45 Cordyceps sinensis samples collected from different commercial sources. THQ (Target hazard quotient) and HI (Hazard index) were used to assess the non-carcinogenic health risks of Hg, Pb, Cd, Cu, and R (Lifetime cancer risk) was used to assess carcinogenic health risk assessment of As. For the 45 samples, the over standard rate was 100% and 70% for As and Hg, respectively. THQ and HI were far less than 1, indicating that no non-carcinogenic risks from Hg, Pb, Cd, Cu by intaking Cordyceps sinensis. In terms of total arsenic, R=6.39×10-5 was above the WHO limit, and in terms of inorganic arsenic R=3.09×10-7 was far below the limit.
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出版历程
  • 收稿日期:  2016-08-31
  • 刊出日期:  2017-05-15
卢恒, 徐宁, 孟繁蕴. 冬虫夏草重金属的含量测定和健康风险评价[J]. 环境化学, 2017, 36(5): 1003-1008. doi: 10.7524/j.issn.0254-6108.2017.05.2016083103
引用本文: 卢恒, 徐宁, 孟繁蕴. 冬虫夏草重金属的含量测定和健康风险评价[J]. 环境化学, 2017, 36(5): 1003-1008. doi: 10.7524/j.issn.0254-6108.2017.05.2016083103
shu
LU Heng, XU Ning, MENG Fanyun. Determination and health risk assessment of heavy metals in Cordyceps sinensis (Berk.) Sacc[J]. Environmental Chemistry, 2017, 36(5): 1003-1008. doi: 10.7524/j.issn.0254-6108.2017.05.2016083103
Citation: LU Heng, XU Ning, MENG Fanyun. Determination and health risk assessment of heavy metals in Cordyceps sinensis (Berk.) Sacc[J]. Environmental Chemistry, 2017, 36(5): 1003-1008. doi: 10.7524/j.issn.0254-6108.2017.05.2016083103
shu

冬虫夏草重金属的含量测定和健康风险评价

  • 1.  北京师范大学地理科学学部, 北京, 100875;
  • 2.  北京师范大学教育部资源药物工程研究中心, 北京, 100875
  • 收稿日期:  2016-08-31
基金项目:

国家基础性工作专项（2013FY114500，2015FY111500）； 国家中药标准化项目（ZYBZH-Y-HEN-18） 资助

摘要: 收集了45个不同市售来源的冬虫夏草样品，通过微波消解-电感耦合等离子体质谱法（ICP-MS）测定其 As、Pb、Cd、Cu 等重金属含量，通过微波消解-原子荧光光谱分析法（AFS）测定其 Hg 含量.用靶标危害系数（THQ）和总危害指数（HI） 对 Hg、Pb、Cd、Cu 等 4 种重金属进行非致癌健康风险评价，用终生致癌风险（R）对 As 进行致癌健康风险评价.实验表明，45 个样品中，As含量超标率达到100%，Hg含量超标率也达到70%，其他 3 种重金属均未检出超标现象. 4 种重金属的 THQ 以及 HI 值均远远小于1.0，即表明 4 种重金属通过冬虫夏草的摄入不会对人体造成非致癌风险.以总砷计算 R=6.39×10-5超出WHO规定的限值1.0×10-5；而以无机砷计算R=3.09×10-7远远低于其限值.

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