Determination of total concentration and bioaccessible fraction of metals in infant cereals by MIP OES

•Was evaluated the bioaccessibility of metals in infant cereals samples.•Bioaccessibility was studied through an in vitro digestion process.•Al, Cu, Fe, Mn, Pb, Ti, and Zn presented detectable values for bioaccessibility.•Ba, Bi, Cd and Cr presented concentrations lower than the limit of quantificat...

Full description

Saved in:
Bibliographic Details
Published inJournal of food composition and analysis Vol. 77; pp. 60 - 65
Main Authors de Souza, Alexander Ossanes, Corrêa Pereira, Camila, Heling, Adriana Iven, Quadro Oreste, Eliézer, Cadore, Solange, Schwingel Ribeiro, Anderson, Antunes Vieira, Mariana
Format Journal Article
LanguageEnglish
Published Elsevier Inc 01.04.2019
Subjects
Bioaccessibility
Essential metals
Food analysis
Food composition
In vitro digestion
Infant cereal
MIP OES
Toxic metals
Toxic metals
Bioaccessibility
MIP OES
Infant cereal
Essential metals
Food composition
In vitro digestion
Food analysis
Online AccessGet full text

Cover

More Information
Summary:•Was evaluated the bioaccessibility of metals in infant cereals samples.•Bioaccessibility was studied through an in vitro digestion process.•Al, Cu, Fe, Mn, Pb, Ti, and Zn presented detectable values for bioaccessibility.•Ba, Bi, Cd and Cr presented concentrations lower than the limit of quantification. The present study provides information about the total concentration and bioaccessible fraction of metals Al, Ba, Bi, Ca, Cd, Cr, Cu, Fe, K, Mg, Mn, Pb, Ti and Zn in nine different infant cereal samples. An in vitro digestion method was employed to evaluate the bioaccessibility. The determinations were performed by microwave induced plasma optical emission spectrometry (MIP OES). The bioaccessibility varied according to the type of infant cereal sample. The values of bioaccessible fraction (minimum and maximum) for Cu, Fe, Mn, Pb and Zn were 24–68, 1–10, 7–58, 24–100 and 1–7% of the total concentration, respectively. Al and Ti presented bioaccessibility in only two samples: 6% in the multicereal A and 14% in the rice and oat cereal B, respectively. The concentration of Ba, Bi, Cd, and Cr was below the limit of detection for the bioaccessibility method. The obtained concentrations were lower than the daily recommended intake for essential and toxic elements, with exception of Pb in the rice and oat A sample.
ISSN:0889-1575
1096-0481
DOI:10.1016/j.jfca.2019.01.006