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Concentrations and health risks of lead, cadmium, arsenic, and mercury in rice and edible mushrooms in China

Journal article
Authors Y. Fang
X. Sun
W. Yang
N. Ma
Z. Xin
J. Fu
X. Liu
M. Liu
A. M. Mariga
Xuefeng Zhu
Q. Hu
Published in Food Chemistry
Volume 147
Pages 147-151
ISSN 0308-8146
Publication year 2014
Published at Institute of Biomedicine, Department of Medical Biochemistry and Cell Biology
Pages 147-151
Language en
Keywords Edible mushroom, Health risk, Heavy metal, Rice, Cadmiums (Cd), Contamination levels, Growing regions, Mercuries (Hg), Metal concentrations, Nanjing cities, Arsenic, Cadmium, Health risks, Heavy metals, Lead, Mercury (metal), Fungi, mercury, article, China, food contamination, food safety, health hazard, maximum allowable concentration, nonhuman, risk assessment, Basidiomycota
Subject categories Biochemistry


In this study, four common heavy metals, lead (Pb), cadmium (Cd), arsenic (As) and mercury (Hg) in rice and edible mushrooms of China were studied to evaluate contamination level and edible safety. Ninety two (92) rice samples were collected from the main rice growing regions in China, and 38 fresh and 21 dry edible mushroom samples were collected from typical markets in Nanjing City. The analyzed metal concentrations were significantly different between rice and edible mushroom samples (p < 0.05). The results showed that Pb, Cd and As contents in 4.3%, 3.3% and 2.2% rice samples respectively, were above maximum allowable concentration (MAC). In fresh edible mushroom, Pb and Hg contents in 2.6% samples were above MAC, respectively. However, only Hg content in 4.8% dry edible mushroom samples was above its MAC. Therefore, more than 95% rice and edible mushroom samples in our test had high edible safety. © 2013 Elsevier Ltd. All rights reserved.

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