Use of Scanning Electron Microscopy with Energy Dispersive Spectroscopy to detect metallic contamination in candies

被引：2
|
作者：
Luiz, Leandro da Conceicao [1 ]
Valenzuela Bell, Maria Jose [1 ]
Batista, Rafaela Tavares [2 ]
de Freitas, Renato Pereira [3 ]
da Rocha, Roney Alves [4 ]
Moreira, Silvino Intra [4 ]
Moraes, Moyses Naves [5 ]
dos Anjos, Virgilio de Carvalho [1 ]
机构：
[1] Fed Univ Juiz de Fora UFJF, Dept Phys, Engn & Spect Mat Grp, R Jose Lourenco Kelmer, BR-36036900 Juiz De Fora, MG, Brazil
[2] Fed Inst Educ Sci & Technol Rio de Janeiro, Eng Paulo Frontin Campus,Av Maria Luiza,S-N, BR-26660000 Paulo De Frontin, RJ, Brazil
[3] Fed Inst Educ Sci & Technol Rio de Janeiro IFRJ, Paracambi Campus,Sebastiao Lacerda St,S-N, BR-26600000 Paracambi, RJ, Brazil
[4] Univ Fed Lavras, Dept Food Sci, BR-37200000 Lavras, MG, Brazil
[5] Univ Fed Sao Carlos, Ctr Ciencias Nat CCN, UFSCar, Rod Lauri Simoes Barros Km 12 SP 189 Bairro Araca, Buri, SP, Brazil
来源：
FOOD PACKAGING AND SHELF LIFE | 2021年 / 28卷
关键词：
X-ray; Packaging; Toxicity; Plastic; Titanium; Aluminium; Lead; Child; LEAD;
D O I：
10.1016/j.fpsl.2021.100649
中图分类号：
TS2 [食品工业];
学科分类号：
0832 ;
摘要：
Candies are foods made from sugar mixture with other ingredients with multiple shape, aroma, color, and consistency. Their consumption is prevalent in children, but spread through all age groups. The packaging ink of some candies may adhere to the surface of the product. These wastes are difficult to remove, and may be ingested. Scanning Electron Microscopy with dispersive energy spectroscopy (SEM/EDS) is used to analyze chewable candies. The results revealed mainly calcium, silicon, potassium, chlorine and sodium. The transfer of iron, titanium and aluminium from the packaging to the candies was observed in 3 lots. Lead residues were found in one batch. From the total samples (n = 40), 15 % were contaminated with packing ink. From those, 66.7 % presented traces of metal and 16.7 % are contaminated with lead. Finally, the results evinced SEM/EDS as an interesting tool for metal analysis in food being easy to operate, portable and non-destructive.
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页数：6
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