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      Biomarker of food intake for assessing the consumption of dairy and egg products

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          Abstract

          Dairy and egg products constitute an important part of Western diets as they represent an excellent source of high-quality proteins, vitamins, minerals and fats. Dairy and egg products are highly diverse and their associations with a range of nutritional and health outcomes are therefore heterogeneous. Such associations are also often weak or debated due to the difficulty in establishing correct assessments of dietary intake. Therefore, in order to better characterize associations between the consumption of these foods and health outcomes, it is important to identify reliable biomarkers of their intake. Biomarkers of food intake (BFIs) provide an accurate measure of intake, which is independent of the memory and sincerity of the subjects as well as of their knowledge about the consumed foods. We have, therefore, conducted a systematic search of the scientific literature to evaluate the current status of potential BFIs for dairy products and BFIs for egg products commonly consumed in Europe. Strikingly, only a limited number of compounds have been reported as markers for the intake of these products and none of them have been sufficiently validated. A series of challenges hinders the identification and validation of BFI for dairy and egg products, in particular, the heterogeneous composition of these foods and the lack of specificity of the markers identified so far. Further studies are, therefore, necessary to validate these compounds and to discover new candidate BFIs. Untargeted metabolomic strategies may allow the identification of novel biomarkers, which, when taken separately or in combination, could be used to assess the intake of dairy and egg products.

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          The online version of this article (10.1186/s12263-018-0615-5) contains supplementary material, which is available to authorized users.

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          Most cited references128

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          Using intake biomarkers to evaluate the extent of dietary misreporting in a large sample of adults: the OPEN study.

          This paper describes the Observing Protein and Energy Nutrition (OPEN) Study, conducted from September 1999 to March 2000. The purpose of the study was to assess dietary measurement error using two self-reported dietary instruments-the food frequency questionnaire (FFQ) and the 24-hour dietary recall (24HR)-and unbiased biomarkers of energy and protein intakes: doubly labeled water and urinary nitrogen. Participants were 484 men and women aged 40-69 years from Montgomery County, Maryland. Nine percent of men and 7% of women were defined as underreporters of both energy and protein intake on 24HRs; for FFQs, the comparable values were 35% for men and 23% for women. On average, men underreported energy intake compared with total energy expenditure by 12-14% on 24HRs and 31-36% on FFQs and underreported protein intake compared with a protein biomarker by 11-12% on 24HRs and 30-34% on FFQs. Women underreported energy intake on 24HRs by 16-20% and on FFQs by 34-38% and underreported protein intake by 11-15% on 24HRs and 27-32% on FFQs. There was little underreporting of the percentage of energy from protein for men or women. These findings have important implications for nutritional epidemiology and dietary surveillance.
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            Dietary Sources of Lutein and Zeaxanthin Carotenoids and Their Role in Eye Health

            The eye is a major sensory organ that requires special care for a healthy and productive lifestyle. Numerous studies have identified lutein and zeaxanthin to be essential components for eye health. Lutein and zeaxanthin are carotenoid pigments that impart yellow or orange color to various common foods such as cantaloupe, pasta, corn, carrots, orange/yellow peppers, fish, salmon and eggs. Their role in human health, in particular the health of the eye, is well established from epidemiological, clinical and interventional studies. They constitute the main pigments found in the yellow spot of the human retina which protect the macula from damage by blue light, improve visual acuity and scavenge harmful reactive oxygen species. They have also been linked with reduced risk of age-related macular degeneration (AMD) and cataracts. Research over the past decade has focused on the development of carotenoid-rich foods to boost their intake especially in the elderly population. The aim of this article is to review recent scientific evidences supporting the benefits of lutein and zexanthin in preventing the onset of two major age-related eye diseases with diets rich in these carotenoids. The review also lists major dietary sources of lutein and zeaxanthin and refers to newly developed foods, daily intake, bioavailability and physiological effects in relation to eye health. Examples of the newly developed high-lutein functional foods are also underlined.
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              Trimethylamine N-oxide and prognosis in acute heart failure.

              Acute heart failure (AHF) is associated with high mortality and morbidity. Trimethylamine N-oxide (TMAO), a gut-derived metabolite, has reported association with mortality risk in chronic HF but this association in AHF is still unknown. The present study investigated TMAO in patients admitted to hospital with AHF, and association of circulating levels with prognosis.
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                Author and article information

                Contributors
                muenger.linda@gmail.com
                margarcia@ub.edu
                vazquezf@ualberta.ca
                doreen.gille@uzh.ch
                rosana@ualberta.ca
                annet.passerini@gmail.com
                mariat.soria@gmail.com
                gregory.pimentel@agroscope.admin.ch
                tsajed@ualberta.ca
                dwishart@ualberta.ca
                candres@ub.edu
                guy.vergeres@agroscope.admin.ch
                gip@nexs.ku.dk
                Journal
                Genes Nutr
                Genes Nutr
                Genes & Nutrition
                BioMed Central (London )
                1555-8932
                1865-3499
                29 September 2018
                29 September 2018
                2018
                : 13
                : 26
                Affiliations
                [1 ]ISNI 0000 0004 4681 910X, GRID grid.417771.3, Agroscope, ; Bern, Switzerland
                [2 ]ISNI 0000 0004 1937 0247, GRID grid.5841.8, Biomarkers and Nutrimetabolomic Laboratory, Department of Nutrition, Food Sciences and Gastronomy, XaRTA, INSA, Faculty of Pharmacy and Food Sciences, Campus Torribera, , University of Barcelona, ; Barcelona, Spain
                [3 ]ISNI 0000 0000 9314 1427, GRID grid.413448.e, CIBER de Fragilidad y Envejecimiento Saludable (CIBERFES), Instituto de Salud Carlos III, ; Barcelona, Spain
                [4 ]GRID grid.17089.37, Department of Biological Sciences, , University of Alberta, ; Edmonton, AB T6G 2E9 Canada
                [5 ]ISNI 0000 0004 1937 0650, GRID grid.7400.3, Epidemiology, Biostatistics and Prevention Institute, , University of Zurich, ; Hirschengraben 84, 8001 Zurich, Switzerland
                [6 ]ISNI 0000 0001 0674 042X, GRID grid.5254.6, University of Copenhagen, ; NEXS 30, Rolighedsvej, DK-1958 Frederiksberg C, Denmark
                [7 ]ISNI 0000 0001 0423 4662, GRID grid.8515.9, Service of Endocrinology, Diabetology and Metabolism, , Lausanne University Hospital, CHUV, ; Lausanne, Switzerland
                [8 ]GRID grid.17089.37, Department of Computing Science, , University of Alberta, ; Edmonton, AB T6G 2E9 Canada
                Author information
                http://orcid.org/0000-0003-4574-0590
                Article
                615
                10.1186/s12263-018-0615-5
                6162878
                30279743
                f2ed4e5c-0f96-4c66-ba57-fc097e7adae3
                © The Author(s) 2018

                Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License ( http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver ( http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

                History
                : 11 May 2018
                : 10 September 2018
                Funding
                Funded by: Joint Programming Initiative, “A Healthy Diet for a Healthy Life”
                Award ID: 529051002
                Funded by: Danish Innovation Foundation
                Award ID: 4203-00002B
                Funded by: University of Rome La Sapienza (“Borsa di studio per la frequenza di corsi o attività di perfezionamento all’estero” erogata ai sensi della legge
                Award ID: 398/89
                Funded by: Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (CH)
                Award ID: 40HD40_160618
                Funded by: Canadian Institutes of Health Research (CIHR)
                Funded by: Ministry of Economy and Competitiveness (MINECO)
                Award ID: PCIN-2014-133-MINECO Spain
                Award Recipient :
                Funded by: Generalitat de Catalunya’s Agency AGAUR
                Award ID: 2017SGR1566
                Award Recipient :
                Funded by: CIBERFES (co-funded by the FEDER Program from EU)
                Categories
                Review
                Custom metadata
                © The Author(s) 2018

                Nutrition & Dietetics
                biomarkers of food intake,food exposure markers,dietary assessment,dairy,milk,cheese,yogurt,whey,casein,eggs

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