Arsenic, Cadmium, and Lead Levels in School Meals and Their Risk Assessment in Municipalities in Bahia, Brazil

被引:0
|
作者
Santos, Larissa da S. [1 ]
Chagas, Fabiana F. [2 ]
Martinho, Martinho G. Dinis [1 ]
Gomes-Junior, Erival A. [1 ]
Silva, Mariangela V. Lopes [3 ]
Menezes-Filho, Jose A. [1 ]
机构
[1] Univ Fed Bahia, Coll Pharm, Grad Program Food Sci, Ave Barao Jeremoabo S-N, BR-40170115 Salvador, BA, Brazil
[2] Univ Fed Bahia, Sch Nutr, Grad Program Nutr & Hlth, Rua Basilio Gama S-N, BR-40110907 Salvador, BA, Brazil
[3] Univ Bahia State, Lab Analyt Chem, Rua Silveira Martins 2555, BR-41150000 Salvador, BA, Brazil
关键词
school meals; toxic metals; inorganic contaminants; schoolchildren; risk assessment; food security; DIETARY EXPOSURE; HEAVY-METALS; CHILDREN; MERCURY; RICE;
D O I
10.3390/foods13101500
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
Background: School meals represent a significant supply of nutrients for children in Brazil, especially those in conditions of social vulnerability. Objectives: This study aimed to assess the levels of arsenic (As), cadmium (Cd), and lead (Pb) in meals served in public elementary schools in four municipalities in the state of Bahia, Brazil, and assess the risk posed to children's health. Methods: Ninety-six samples were collected from 16 schools, freeze-dried, and subjected to microwave-assisted digestion. The As, Cd, and Pb levels were determined by graphite furnace atomic absorption spectrometry. The risk assessment was based on calculating each element's hazard quotient (HQ). Results: None of the samples reached or exceeded the tolerable levels for the elements analyzed. Pb was the metal that obtained the most significant result, reaching maximum levels of 39-157 mu g<middle dot>kg-1. Conclusions: No element exceeded the PTWI proposed by JECFA; thus, the toxic metal content in school meals poses a negligible risk to children's health.
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页数:13
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