1. 东北稻蟹中18种微量元素含量及健康风险评价.
- Author
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覃东立, 姜海峰, 黄晓丽, 高磊, 王鹏, 刘欢, and 韩刚
- Abstract
In order to investigate the concentrations and food safety of 18 trace elements in rice-crab(Eriocheir sinensis)from northeastern China(including Heilongjiang, Jilin and Liaoning Provinces),a total of 56 crab samples were collected from main rice-crab aquiculture area in September 2017. The concentrations of 18 trace elements were detected by inductively coupled plasma-mass spectrometry(ICPMS), and the pollution levels and potential health risks were estimated by single-factor pollution index(Pi), provisional tolerated weekly intake(PTWI)and target hazard quotient(THQ), respectively. Results showed that contents of most trace element in crab were much more higher than in freshwater fish obtained from pond. Significant differences in ten trace element including Cr, Cd and U were found in sam- ples between Jilin Province and the other two regions(P<0.05). The contents of Cu, Pb, Cd and Cr in all the samples were not exceeded na- tional standards. The adult weekly intake(AWI)of analyzed five heavy elements(including Cu, Zn, Pb, Cd and Cr)were lower than PTWI recommended by JECFA. The estimated daily intake(EDI)of the five heavy elements and four toxic trace elements(including Ba, U, Ag and Be)were lower than the reference dose(RfD)recommended by USEPA. All results indicated that trace elements intake form the rice crab had no significant health risk to the health risks. The trace elements of Ba, Pb and Cd were the main risk elements, which had high contribution rate to HI. [ABSTRACT FROM AUTHOR]
- Published
- 2019
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