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Dietary Lipid Intake only Partially Influences Variance in Serum Phospholipid Fatty Acid Composition in Adolescents: Impact of Other Dietary Factors |
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| Authors: | Krishna Vyncke Inge Huybrechts Myriam Van Winckel Magdalena Cuenca Garcia Idoia Labayen Frederic Gottrand Kurt Widhalm Catherine Leclercq Lars Libuda Yannis Manios Michael Sjostrom Denes Molnar Luis A Moreno Marcela Gonzalez-Gross André Spinneker Fatima Perez de Heredia Maria Plada Stefaan De Henauw |
| Affiliation: | 1. Department of Public Health, Ghent University, 2 Blok A, De Pintelaan 185, 9000, Ghent, Belgium 2. Research Foundation Flanders, Brussels, Belgium 3. Dietary Exposure Assessment Group, International Agency for Research on Cancer (IARC), Lyon, France 4. Department of Pediatrics and Medical Genetics, Ghent University Hospital, Ghent, Belgium 5. Department of Medical Physiology, School of Medicine, Granada University, Granada, Spain 6. Department of Nutrition and Food Science, University of the Basque Country, Vitoria, Spain 7. Inserm U995, Faculté de médecine, Université Lille 2, Lille, France 8. Department of Pediatrics, Private Medical University, Salzburg, Austria 9. CRA-NUT (ex INRAN), Rome, Italy 10. Research Institute of Child Nutrition Dortmund, Dortmund, Germany 11. Department of Nutrition and Dietetics, Harokopio University, Athens, Greece 12. Unit for Preventive Nutrition, Department of Biosciences and Nutrition, Karolinska Institute, Stockholm (Huddinge), Sweden 13. Department of Pediatrics, University of Pécs, Pécs, Hungary 14. GENUD (Growth, Exercise, Nutrition and Development) Research Group. School of Health Sciences (EUCS), University of Zaragoza, Zaragoza, Spain 15. Department of Health and Human Performance, Facultad de Ciencias de la Actividad Física y del Deporte (INEF), Universidad Politécnica de Madrid, Madrid, Spain 16. Department of Nutrition and Food Science, University of Bonn, Bonn, Germany 17. Immunonutrition Research Group, Department of Metabolism and Nutrition, Institute of Food Science and Technology and Nutrition (ICTAN-CSIC), Madrid, Spain 18. School of Natural Sciences and Psychology, Liverpool John Moores University, Liverpool, UK 19. Preventive Medicine and Nutrition Clinic, University of Crete, Heraklion, Greece 20. Department of Health Sciences, Vesalius, Hogeschool Gent, Ghent, Belgium |
| Abstract: | The present study aimed to assess the correlation between food and fatty acid (FA) intake and the serum phospholipid (PL) FA status in European adolescents and explored the percentage of variation in serum PL FA that could be attributed to dietary habits. Participants included 528 adolescents recruited in the HELENA Study. Dietary intake was assessed by two, self-administered, non-consecutive 24-h recalls. PL FA concentrations were measured in fasting venous serum samples. Reduced rank regressions were applied to examine the combined effect of food intakes. Results indicated that the variance in serum PL FA in adolescents, that could be explained by diet varied from 7.0 % for MUFA to 14.2 % for n-3FA. The variance in the long-chain n-3FA was mainly explained by fish intake but also by coffee and tea consumption. In conclusion this study indicated that dietary intake influences the serum PL FA status to a limited amount but that also other factors interfere. However, dietary intake is important as it is among those factors that could be modified. Furthermore, the results suggest that the overall dietary habits should be considered instead of only the consumption of single foods or nutrients, as the medium of the food or concomitant intake of foods and nutrients might interact and as such influence absorption or metabolism. |
| Keywords: | Fatty acids Food intake Serum concentrations Adolescents Reduced rank regression |
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