Fluoride content in table salt from the Element Project in Mexico City

Year: 2024

Type: article

Abstract: OBJECTIVE: This study evaluated fluoride content in table salts from participants' households of the Element project, comparing them with the Mexican standards of fluoride content in table salt (200 to 250 mg/kg). MATERIALS AND METHODS: Salt samples were collected from households of mother-offspring pairs participating in Element. Salt samples were analyzed in duplicates using a combination fluoride ion-selective electrode and a pH/ISE meter. RESULTS: Among 657 samples from 14 brands, fluoride varied from 0.016 to 477.9 mg/kg with a median (IQR) of 142.5 (136.9). Of salts labeled as fluoridated or containing fluoride (n= 607), we found that 72.8% (n= 442) had fluoride content below the recommended range and 13.8% (n= 84) were above the Mexican norm. Only 81 salt samples (13.3%) fell within recommended limits. CONCLUSION: Future studies with representative sampling are needed to evaluate table salt fluoride content, especially in high-fluoride areas, to inform potential adjustments to the current monitoring program.

Source: Salud Pública de México

DOI: 10.21149/15734

Authors: Guillermo Tamayo-Cabeza, Andrés Mantilla-Rodríguez, Alejandra Cantoral, Martha M Téllez-Rojo, Karen E Peterson, Howard Hu, Esperanza Ángeles Martínez-Mier

Institutions: Indiana University Indianapolis, Indiana University – Purdue University Indianapolis, Universidad Iberoamericana, Instituto Nacional de Salud Pública, University of Michigan, University of Southern California

Language: English

Topic: Fluoride Effects and Removal

Subfield: Water Science and Technology

Field: Environmental Science

Domain: Physical Sciences

SDG: Good health and well-being

Open Access status: diamond

Funders: National Institutes of Health, National Institute of Diabetes and Digestive and Kidney Diseases, National Institute of Environmental Health Sciences

OpenAlex ID: W4407762769