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0131/2025 - Determination of iodine content in foods produced by family farmers
Determinação do teor de iodo em alimentos produzidos por agricultores familiares

Author:

• Sílvia Oliveira Lopes - Lopes, SO - <silvia.lopes@ufv.br>
ORCID: https://orcid.org/0000-0002-6755-8610

Co-author(s):

• Edna Miranda Mayer - Mayer, EM - <edna.mayer@ufv.br>
ORCID: https://orcid.org/0000-0003-1948-110X
• Sabrina Silva de Oliveira - Oliveira, SS - <nutrioliveirasabrina@gmail.com>
ORCID: https://orcid.org/0000-0003-2166-4140
• Jérsica Martins Bitencourt - Bitencourt, JM - <jersica.cunha@ufv.br>
ORCID: https://orcid.org/0000-0003-3821-8171
• Edimar Aparecida Filomeno Fontes - Fontes, EAF - <eaffontes@ufv.br>
ORCID: https://orcid.org/0000-0002-4370-8805
• Ricardo Henrique Silva Santos - Santos, RHS - <rsantos@ufv.br>
ORCID: https://orcid.org/0000-0001-8549-8861
• Sylvia do Carmo Castro Franceschini - Franceschini, SCC - <sylvia@ufv.br>
ORCID: https://orcid.org/0000-0001-7934-4858
• Silvia Eloiza Priore - Priore, SE - <sepriore@ufv.br>
ORCID: https://orcid.org/0000-0003-0656-1485


Abstract:

Monitoring iodine consumption is important for preventing related diseases. Objective: Quantify the iodine content in foods produced by family farmers in the Geographic Region of Viçosa-Minas Gerais, Brazil. Methods: Samples of lettuce, cabbage, beans, cornmeal, milk, honey, eggs, coffee powder and cheese were collected306 households in eight cities. The colorimetric method was used to quantify iodine in food samples. Data analyzes were carried out using the Statistical Program for Social Science (SPSS) version 21.0. It was verified whether there was a difference in the concentration of iodine in foods between different cultivars, cities and seasons using the Mann Whitney and Kruskal-Wallis test, with multiple comparisons using the Dunn Test. Results: 580 samples were analyzed. No difference was found between lettuce, cabbage and bean cultivars. There was a difference between cities in the iodine content of eggs (p≤0.001), cheese (p=0.028) and milk (p=0.001). No difference was found between the seasons regarding the iodine content in cabbage and lettuce. Conclusion: The determination of iodine in foods is characterized as an initial study for the inclusion of iodine in food composition tables.

Keywords:

Food Analysis, Bromatological Analysis, Iodine, Rural Population

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Lopes, SO, Mayer, EM, Oliveira, SS, Bitencourt, JM, Fontes, EAF, Santos, RHS, Franceschini, SCC, Priore, SE. Determination of iodine content in foods produced by family farmers. Cien Saude Colet [periódico na internet] (2025/May). [Citado em 14/08/2026]. Está disponível em: http://www.cienciaesaudecoletiva.com.br/en/articles/determination-of-iodine-content-in-foods-produced-by-family-farmers/19607



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