Analysis of cadmium contamination in rice noodles and exposure assessment of consumers in Jiangxi Province
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1.Jiangxi Provincial Center for Disease Control and Prevention, Jiangxi Provincial Key Laboratory of Major Epidemic Prevention and Control , Jiangxi Key Laboratory of Nutrition Diet and Health, Youth Research and Innovation Team of Jiangxi Provincial Center for Disease Control and Prevention, Jiangxi Nanchang 330029, China;2.China National Center for Food Safety Risk Assessment, Chinese Academy of Medical Sciences, NHC Key Laborarory of Food Safety Risk Assessment, Beijing 100022, China;3.Dalian Jinpu New Area Marine Development Affairs Service Center, Liaoning Dalian 116100, China

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R155

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    Abstract:

    Objective To understand the current situation of cadmium pollution in rice noodles sold in Jiangxi Province and to assess the health risk of cadmium exposure among rice noodle consumers.Methods A total of 163 samples of raw dried and fresh rice noodles were collected from 11 regions of Jiangxi Province, the cadmium content was detected by inductively coupled plasma mass spectrometry (ICP-MS). The food frequency survey method was used to investigate the rice noodles consumption of rice noodle consumers in the corresponding areas, the simple distribution assessment method was used to assess the health risk of rice noodles cadmium exposure among rice noodle consumers in Jiangxi Province.Results The total detection rate and over standard rate of cadmium in 163 rice noodles from Jiangxi Province were 87.1% (142/163) and 1.23% (2/163), respectively. The cadmium content range was 0.003-0.225 mg/kg. The average and median values were 0.034 and 0.020 mg/kg, respectively. The cadmium content and detection rate of raw dried rice noodles were higher than those of fresh rice noodles. The average and P95 of the monthly rice noodle cadmium exposure among rice noodle consumers were 1.11 and 3.46 μg/kg·BW, accounting for 4.4% and 13.8% of [PTMI, 25 μg/(kg·BW)], respectively. The cadmium exposure of rice noodles in children and adolescents was higher than that in people over 18 years old. The cadmium exposure of rice noodle consumers in Yingtan area was the highest [2.57 μg/(kg·BW)], followed by Yichun [2.39 μg/(kg·BW)], Pingxiang [1.94 μg/(kg·BW)] and Fuzhou [1.88 μg/(kg·BW)].Conclusion The overall cadmium pollution level of rice noodles sold in Jiangxi Province was low, and the cadmium exposure risk of rice noodle consumers through rice noodles was at an acceptable level.

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WANG Yanmin, BAO Huihui, ZHANG Lei, WANG Xiaodan, LI Juan, YU Hui, QIU Xuejiao, LU Yanli. Analysis of cadmium contamination in rice noodles and exposure assessment of consumers in Jiangxi Province[J].中国食品卫生杂志,2024,36(11):1258-1265.

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History
  • Received:June 26,2024
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  • Online: March 14,2025
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