[Lead and cadmium pollution in edible fungus sold in Beijing].
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.


CONCLUSIONS
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.
Feng
Jin-Fang
JF
School of Public Health and Family Medicine, Capital Medical University, Beijing 100069, China.
Wu
Yong-Ning
YN
Li
Ye
Y
Wang
Wei
W
Xie
Wen-Yan
WY
Liu
Jia
J
D000363:Agaricales; D002104:Cadmium / Q000032:analysis*; D002681:China; D005506:Food Contamination / Q000706:statistics & numerical data*; D005513:Food Inspection; D007854:Lead / Q000032:analysis*
D002104:Cadmium; D007854:Lead