The Association Between the Mediterranean Diet and Fatty Acids in Red Blood Cells of Spanish Adolescents

Objective: The Mediterranean diet (MedDiet) is characterized by its emphasis on plant-based foods, olive oil, and fish products, and has been associated with providing relevant fatty acids (FAs) for adolescent physiology. This study aims to investigate the relationship between adherence to the MedDi...

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Vydáno v:Nutrients Ročník 17; číslo 17; s. 2888
Hlavní autoři: Ayala-Aldana, Nicolas, Lafuente, David, Lázaro, Iolanda, Pinar-Martí, Ariadna, Manidis, Alexios, Bernardo-Castro, Sara, Fernandez-Barres, Silvia, Healy, Darren R., Vrijheid, Martine, Contreras-Rodríguez, Oren, Sala-Vila, Aleix, Julvez, Jordi
Médium: Journal Article
Jazyk:angličtina
Vydáno: Switzerland MDPI AG 06.09.2025
Témata:
Adolescence
Adolescent
Blood
Body mass index
Cardiovascular system
Child development
Cross-Sectional Studies
Diet
Diet, Mediterranean
Education
Eicosapentaenoic Acid - blood
Erythrocyte Membrane - chemistry
Erythrocytes - chemistry
Erythrocytes - metabolism
Essential fatty acids
Exercise
Fatty Acids - blood
Fatty Acids, Omega-3 - blood
Female
Humans
Male
Membranes
Mental disorders
Mental health
Middle class
Parent educational background
Physiological aspects
Polyunsaturated fatty acids
Principal components analysis
Questionnaires
Social classes
Sociodemographics
Spain
Standard scores
Teenagers
Unsaturated fatty acids
Variables
Youth
Spain
adolescence
fatty acids
Mediterranean diet
principal component analysis
polyunsaturated fatty acids
ISSN:2072-6643, 2072-6643
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Shrnutí:Objective: The Mediterranean diet (MedDiet) is characterized by its emphasis on plant-based foods, olive oil, and fish products, and has been associated with providing relevant fatty acids (FAs) for adolescent physiology. This study aims to investigate the relationship between adherence to the MedDiet and the FA composition of red blood cell (RBC) membranes in an adolescent population. Methods: The current research examines the relationship between MedDiet adherence, assessed using the KIDMED questionnaire, and the composition of RBC membranes, specifically measuring 22 FAs in a cross-sectional analysis of adolescents from two cohorts (mean age = 14.55). Baseline data from 552 participants with complete dietary adherence and FA information were analyzed using multivariable regression models and principal component analysis (PCA) as confirmatory analysis. All regression models were adjusted by age, sex, body mass index, physical activity, maternal education and cohort enrollment. Results: Main results shown that “Good adherence” to the MedDiet was positively associated with omega-3 FAs, including eicosapentaenoic acid (β = 0.34; 95% CI: 0.17, 0.52; p-value < 0.001) and docosahexaenoic acid (β = 0.29; 95% CI: 0.11, 0.46; p-value = 0.001), and inversely associated with specific omega-6 FAs, such as arachidonic acid (β = −0.28; 95% CI: −0.46, −0.11; p-value = 0.002) and adrenic acid (β = −0.19; 95% CI: −0.30, −0.08; p-value < 0.001). PCA identified distinct FA patterns, with “Good adherence” to the MedDiet being associated with an increase in the omega-3 FAs pattern (β = 0.32; 95% CI: 0.14, 0.49; p-value < 0.001). These findings remained robust after multiple test comparisons. Conclusions: This study underscores the potential of the MedDiet to promote optimal RBC FA composition in healthy adolescents, characterized by high levels of omega-3 FAs and reduced levels of arachidonic acid and adrenic acid in RBC membranes.
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ISSN:2072-6643
2072-6643
DOI:10.3390/nu17172888