吉林省代用茶中铅含量检测分析及限量标准建议
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摘要
目的 测定吉林省特色代用茶中铅含量,幵对地方特色代用茶中铅限量标准的设定提出建议。方法 在吉林省流通领域购买代用茶样品69仹,采用微波消解法对样品进行处理,用石墨炉原子吸收光谱法测定样品中的铅含量。结果 在本次检测的69仹代用茶样品中,铅检出率为82.6%,所有样品中铅的含量均低于5.0mg/kg。结论 目前吉林省不同种类代用茶中铅含量都不高,但是仍然需要尽快修订铅含量限量标准,便于质量安全监管。
Objective To determine the lead content in the tea substitutes in Jilin province, and put forward suggestions on the setting of the lead limit standard for local specialty substitute tea. Methods Sixty-nine substitute tea samples were purchased in the markets in Jilin province, and the samples were processed by microwave digestion. The lead contents in the samples were determined by graphite furnace atomic absorption spectrometry(GF-AAS). Results In the 69 tea samples, the positive lead detection rate was 82.6%, and the lead content in all samples was less than5.0 mg/kg. Conclusion At present, the lead content in different types of tea substitutes in Jilin province is not high, but it is still necessary to revise the lead content limit standard as soon as possible to facilitate quality and safety supervision.
Objective To determine the lead content in the tea substitutes in Jilin province, and put forward suggestions on the setting of the lead limit standard for local specialty substitute tea. Methods Sixty-nine substitute tea samples were purchased in the markets in Jilin province, and the samples were processed by microwave digestion. The lead contents in the samples were determined by graphite furnace atomic absorption spectrometry(GF-AAS). Results In the 69 tea samples, the positive lead detection rate was 82.6%, and the lead content in all samples was less than5.0 mg/kg. Conclusion At present, the lead content in different types of tea substitutes in Jilin province is not high, but it is still necessary to revise the lead content limit standard as soon as possible to facilitate quality and safety supervision.
引文
[1]GH/T 1091-2014代用茶[S].GH/T 1091-2014 Substitute tea[S].
[2]袁鹏,杨瑞春,张利峰,等.郑州市售代用茶中7种重金属含量污染状况调查[J].中国卫生检验杂志,2018,(20):2519-2521.Yuan P,Yang RC,Zhang LF,et al.Investigation of 7 elemental pollution in substitutional tea commercially available in Zhengzhou[J].Chin JHealth Lab Technol,2018,(20):2519-2521
[3]许凌.我国茶叶质量安全分析及提升研究[D].杭州:浙江农林大学,2018.Xu L.Quality safety analysis and improvement research in Chinese tea[D].Hangzhou:Zhejiang A&F University,2018.
[4]马蓓蓓,杨财平,杨小波.2017年湖北省市售苦丁茶中31种元素含量调查[J].公共卫生与预防医学,2018,29(3):107-109.Ma BB,Yang CP,Yang XB.Content of 31 elements in commercially available bitter tea in Hubei province[J].Publ Health Prev Med,2018,29(3):107-109
[5]DBS 22/032-2014食品安全地方标准代用茶[S].DBS 22/032-2014 Local food safety standards-substitute tea[S].
[6]GB 2762-2017食品安全国家标准食品中污染物限量[S].GB 2762-2017 National food safety standard-Standard for contaminant limit in food[S].
[7]NY/T 2140-2015绿色食品代用茶[S].NY/T 2140-2015 Green food-Herbal tea[S].
[8]GB 5009.12-2017食品安全国家标准食品中铅的测定[S].GB 5009.12-2017 National food safety standard-Determination of lead in foods[S].
[9]吴龙,张力群,龚立科,等.茶叶及代用茶中多种元素检测结果分析[J].中国卫生检验杂志,2017,27(7):1025-1028.Wu L,Zhang LQ,Gong LK,et al.Analysis of multielements in teas and tea substitutes[J].Chin J Health Lab Technol,2017,27(7):1025-1028.
[10]陈瑞鸿.2015年上半年我国茶及其相关制品质量安全监督概况与不合格项目研究[J].中国茶叶加工,2015,(5):14-19.Chen RH.Research on tea and related products quality and safety supervision in china in the first half year of 2015[J].China Tea Proc,2015,(5):14-19.
[11]杨婉秋,杨冲,段晓艳.云南茶叶中铅含量的调查及检测分析[J].昆明学院学报,2015,40(3):32-36.Yang WQ,Yang C,Duan XY.Investigation and analysis on the content of lead in Yunan tea[J].J Kunming Univ,2015,40(3):32-36.
[12]郑书华,蔡萍.电感耦合等离子质谱法测定茶叶中的多种微量元素[J].分析仪器,2018,(5):40-42.Zheng SH,Cai P.Determination of trace elements in tea by ICP-MS[J].Anal Instrum,2018,(5):40-42.
[13]罗晓霞,刘力荣,陈敏剑,等.重金属铬、镉、铅、汞的检测方法对比及其限量总结[J].聚氯乙烯,2017,45(11):31-34.Luo XX,Liu LR,Chen MJ,et al.Comparative analysis on detection methods for cadmium,chromium,lead and mercury and summary on their limits[J].Polyyviny Chlorid,2017,45(11):31-34.
[14]高海燕,许凌.解析我国代用茶标准限量及其符合性[J].广东茶业,2018,(20):13-16.Gao HY,Xu L.Analysis and study of limit in subsititute tea[J].Guangdong Tea,2018,(20):13-16.
[15]徐奕鼎,王宏树.茶叶铅残留限量标准的分析与思考[J].福建茶叶,2004,(3):37-38.Xu YD,Wang HS.Analysis and thinking on lead limit standard of tea[J].Fujian Tea,2004,(3):37-38.
[16]邵懿,王君,吴永宁.国内外食品中铅限量标准现状与趋势研究[J].食品安全质量检测学报,2014,5(1):294-299.Shao Y,Wang J,Wu YN.Study on current situation and development trends of domestic and foreign lead maximum level standards in food[J].JFood Saf Qual,2014,5(1):294-299.
[2]袁鹏,杨瑞春,张利峰,等.郑州市售代用茶中7种重金属含量污染状况调查[J].中国卫生检验杂志,2018,(20):2519-2521.Yuan P,Yang RC,Zhang LF,et al.Investigation of 7 elemental pollution in substitutional tea commercially available in Zhengzhou[J].Chin JHealth Lab Technol,2018,(20):2519-2521
[3]许凌.我国茶叶质量安全分析及提升研究[D].杭州:浙江农林大学,2018.Xu L.Quality safety analysis and improvement research in Chinese tea[D].Hangzhou:Zhejiang A&F University,2018.
[4]马蓓蓓,杨财平,杨小波.2017年湖北省市售苦丁茶中31种元素含量调查[J].公共卫生与预防医学,2018,29(3):107-109.Ma BB,Yang CP,Yang XB.Content of 31 elements in commercially available bitter tea in Hubei province[J].Publ Health Prev Med,2018,29(3):107-109
[5]DBS 22/032-2014食品安全地方标准代用茶[S].DBS 22/032-2014 Local food safety standards-substitute tea[S].
[6]GB 2762-2017食品安全国家标准食品中污染物限量[S].GB 2762-2017 National food safety standard-Standard for contaminant limit in food[S].
[7]NY/T 2140-2015绿色食品代用茶[S].NY/T 2140-2015 Green food-Herbal tea[S].
[8]GB 5009.12-2017食品安全国家标准食品中铅的测定[S].GB 5009.12-2017 National food safety standard-Determination of lead in foods[S].
[9]吴龙,张力群,龚立科,等.茶叶及代用茶中多种元素检测结果分析[J].中国卫生检验杂志,2017,27(7):1025-1028.Wu L,Zhang LQ,Gong LK,et al.Analysis of multielements in teas and tea substitutes[J].Chin J Health Lab Technol,2017,27(7):1025-1028.
[10]陈瑞鸿.2015年上半年我国茶及其相关制品质量安全监督概况与不合格项目研究[J].中国茶叶加工,2015,(5):14-19.Chen RH.Research on tea and related products quality and safety supervision in china in the first half year of 2015[J].China Tea Proc,2015,(5):14-19.
[11]杨婉秋,杨冲,段晓艳.云南茶叶中铅含量的调查及检测分析[J].昆明学院学报,2015,40(3):32-36.Yang WQ,Yang C,Duan XY.Investigation and analysis on the content of lead in Yunan tea[J].J Kunming Univ,2015,40(3):32-36.
[12]郑书华,蔡萍.电感耦合等离子质谱法测定茶叶中的多种微量元素[J].分析仪器,2018,(5):40-42.Zheng SH,Cai P.Determination of trace elements in tea by ICP-MS[J].Anal Instrum,2018,(5):40-42.
[13]罗晓霞,刘力荣,陈敏剑,等.重金属铬、镉、铅、汞的检测方法对比及其限量总结[J].聚氯乙烯,2017,45(11):31-34.Luo XX,Liu LR,Chen MJ,et al.Comparative analysis on detection methods for cadmium,chromium,lead and mercury and summary on their limits[J].Polyyviny Chlorid,2017,45(11):31-34.
[14]高海燕,许凌.解析我国代用茶标准限量及其符合性[J].广东茶业,2018,(20):13-16.Gao HY,Xu L.Analysis and study of limit in subsititute tea[J].Guangdong Tea,2018,(20):13-16.
[15]徐奕鼎,王宏树.茶叶铅残留限量标准的分析与思考[J].福建茶叶,2004,(3):37-38.Xu YD,Wang HS.Analysis and thinking on lead limit standard of tea[J].Fujian Tea,2004,(3):37-38.
[16]邵懿,王君,吴永宁.国内外食品中铅限量标准现状与趋势研究[J].食品安全质量检测学报,2014,5(1):294-299.Shao Y,Wang J,Wu YN.Study on current situation and development trends of domestic and foreign lead maximum level standards in food[J].JFood Saf Qual,2014,5(1):294-299.