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Nutritional metabolomics: Postprandial response of meals relating to vegan, lacto-ovo vegetarian, and omnivore diets

Journal article
Authors Millie Rådjursöga
Helen Lindqvist
Anders Pedersen
B Göran Karlsson
Daniel Malmodin
Lars Ellegård
Anna Winkvist
Published in Nutrients
Volume 10
Issue 8
Publication year 2018
Published at Swedish NMR Centre at Göteborg University
Institute of Medicine, Department of Internal Medicine and Clinical Nutrition
Language en
Links dx.doi.org/10.3390/nu10081063
Keywords Diets, Human metabolome, Metabolomics, NMR, Nutrition, Omnivore, Postprandial, Serum, Vegan, Vegetarian
Subject categories Health Sciences

Abstract

Metabolomics provide an unbiased tool for exploring the modulation of the human metabolome in response to food intake. This study applied metabolomics to capture the postprandial metabolic response to breakfast meals corresponding to vegan (VE), lacto ovo-vegetarian (LOV), and omnivore (OM) diets. In a cross over design 32 healthy volunteers (16 men and 16 females) consumed breakfast meals in a randomized order during three consecutive days. Fasting and 3 h postprandial serum samples were collected and then subjected to metabolite profiling using1 H-nuclear magnetic resonance (NMR) spectroscopy. Changes in concentration of identified and discriminating metabolites, between fasting and postprandial state, were compared across meals. Betaine, choline, and creatine displayed higher concentration in the OM breakfast, while 3-hydroxyisobutyrate, carnitine, proline, and tyrosine showed an increase for the LOV and unidentified free fatty acids displayed a higher concentration after the VE breakfast. Using1 H NMR metabolomics it was possible to detect and distinguish the metabolic response of three different breakfast meals corresponding to vegan, lacto-ovo vegetarian, and omnivore diets in serum. © 2018 by the authors. Licensee MDPI, Basel, Switzerland.

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