Omega-3 and Omega-6 salivary fatty acids as markers of dietary fat quality: A cross-sectional study in Argentina
Autor: | Defagó, María Daniela, Perovic, Nilda Raquel, Valentich, Mirta Ana, Repossi Marquez, Pablo Gaston, Actis, Adriana Beatriz |
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Jazyk: | Spanish; Castilian |
Rok vydání: | 2018 |
Předmět: | |
Zdroj: | CONICET Digital (CONICET) Consejo Nacional de Investigaciones Científicas y Técnicas instacron:CONICET |
Popis: | The use of saliva for analyzing biological compounds has recently been expanded. The aim of this study was to analyze the correlation between specific dietary sources of n3 and n6 fatty acids (FA) and their salivary levels to evaluate their role as intake markers. Seventynine healthy volunteers were included. A validated food frequency questionnaire was used for data collection and Interfood v.1.3 software was employed to quantify food intake.Salivary samples were collected following international standards and FA profile was determined by gas liquidchromatography. Multiple linear regression analyses were performed for dependent variables (salivary FA profile) to detect independent associations with n3 and n6 FA food source intake, adjusted by age, gender, bodymass index, total energy intake, regular exercise, alcohol intake and smoking.Salivary concentrations of alphalinolenic acid (ALA) 18:3 n3 were significantly associated with nuts intake (β=0.05, 95% CI 0.020.07, p=0.04). Salivary concentrations of linoleic acid (LA) 18:2 n6 and arachidonic acid (AA) 20:4 n6 were associated with the intake of n6 vegetable oils and red meat, cold meat and viscera (β=0.80, 95% CI 0.060.09 p=0.03; β=0.40, 95% CI 0.300.50, p=0.02, respectively).This study supports the hypothesis that salivary concentrations of n3 and n6 FA are related to food intake. Monitoring dietary FA though salivary markers is relevant for nutrition epidemiology and for prevention and management of several diseases related to fat intake. Fil: Defagó, María Daniela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones en Ciencias de la Salud. Universidad Nacional de Córdoba. Instituto de Investigaciones en Ciencias de la Salud; Argentina Fil: Perovic, Nilda Raquel. Universidad Nacional de Cordoba. Facultad de Medicina. Escuela de Nutrición; Argentina Fil: Valentich, Mirta Ana. Universidad Nacional de Cordoba. Facultad de Medicina. Instituto de Biologia Celular; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones en Ciencias de la Salud. Universidad Nacional de Córdoba. Instituto de Investigaciones en Ciencias de la Salud; Argentina Fil: Repossi Marquez, Pablo Gaston. Universidad Nacional de Córdoba. Facultad de Medicina; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones en Ciencias de la Salud. Universidad Nacional de Córdoba. Instituto de Investigaciones en Ciencias de la Salud; Argentina Fil: Actis, Adriana Beatriz. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones en Ciencias de la Salud. Universidad Nacional de Córdoba. Instituto de Investigaciones en Ciencias de la Salud; Argentina |
Databáze: | OpenAIRE |
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