Aluminium in infant foods: Total content, effect of in vitro digestion on bioaccessible fraction and preliminary exposure assessment

Author(s)

de Paiva, Esther Lima ^{[1, 2]} ; Medeiros, Camila ^[1] ; Andrekowisk Fioravanti, Maria Isabel ^[1] ; Milani, Raquel Fernanda ^[1] ; Morgano, Marcelo Antonio ^[1] ; Lima Pallone, Juliana Azevedo ^[2] ; Arisseto-Bragotto, Adriana Pavesi ^[2]

Affiliation

^[1] Inst Food Technol ITAL, Ave Brasil 2880, CP 139, BR-13070178 Campinas, SP - Brazil

^[2] Univ Campinas UNICAMP, Fac Food Engn, Rua Monteiro Lobato 80, BR-13083862 Campinas, SP - Brazil

• Document type: Journal article
• Source: Journal of Food Composition and Analysis; v. 90, JUL 2020.
• Web of Science Citations: 0

Abstract

The objective of this study was to determine the total concentration and bioaccessible fraction of aluminium (Al) in 95 different baby food samples and estimate the exposure assessment. Total Al content was determined following oxidative microwave digestion by inductively coupled plasma optical emission spectrometry. An in vitro digestion method was optimized to evaluate the bioaccessible fraction. Total concentration and bioaccessibility varied according to the sample composition (saltypurees, fruit purees, infant drinks and petitsuisse). Petit suisse, soy-based drink and salty puree samples presented the highest total Al concentrations of 4170 mu g kg(-1), 2860 mu g kg(-1) and 2760 mu g kg(-1), respectively. Bioaccessiblefraction varied from 0.5%-48% according to their composition. Exposure to Al was estimated and compared with the tolerable weekly intakes currently established. The results showed that the consumption of 3 portions/day of soy-based drink along the week could represent a concern. (AU)

• FAPESP's process: 17/11334-8 - Study of the total content and bioaccessibility of aluminum in baby foods
• Grantee: Marcelo Antonio Morgano
• Support Opportunities: Regular Research Grants