[北京销售的食用菌中的铅和镉污染情况]
[Lead and cadmium pollution in edible fungus sold in Beijing].
作者信息
Feng Jin-Fang, Wu Yong-Ning, Li Ye, Wang Wei, Xie Wen-Yan, Liu Jia
机构信息
School of Public Health and Family Medicine, Capital Medical University, Beijing 100069, China.
出版信息
Zhonghua Yu Fang Yi Xue Za Zhi. 2007 Nov;41(6):458-60.
OBJECTIVE
To investigate the lead and cadmium pollution in edible mushrooms sold in Beijing.
METHODS
146 samples of 14 species were collected form 25 markets during the period of Mar. through May, 2007 in Beijing. The pollution of lead and cadmium were analyzed respectively according to the standard of GB/T5009. 12-2003 and GB 7096-2003.
RESULTS
The content of lead and cadmium in edible mushrooms was ND--1.592 mg/kg, ND--0.550 mg/kg, respectively, both lower than the allowable content prescribed by The National Ministry of Health.
CONCLUSION
The contents of lead and cadmium in the mushrooms marketed in Beijing are in safe ranges. It is worthy of mentioning the variation coefficients of heavy metal concentrations existing in edible mushrooms.
目的
调查北京市场销售的食用菌中铅和镉的污染情况。
方法
2007年3月至5月期间，从北京25个市场采集了14个品种的146份样品。分别按照GB/T5009.12 - 2003和GB 7096 - 2003标准分析铅和镉的污染情况。
结果
食用菌中铅含量为ND - 1.592mg/kg，镉含量为ND - 0.550mg/kg，均低于国家卫生部规定的允许含量。
结论
北京市场销售的蘑菇中铅和镉含量处于安全范围。值得一提的是食用菌中重金属浓度的变异系数。
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