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      Cuantificación, adecuación de la ingesta y fuentes alimentarias de nutrientes relacionados con el ciclo metionina-metilación (colina, betaína, folatos, vitamina B6 y vitamina B12) en mujeres embarazadas en España Translated title: Quantification, dietary intake adequacy, and food sources of nutrients involved in the methionine-methylation cycle (choline, betaine, folate, vitamin B6 and vitamin B12) in pregnant women in Spain

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          Abstract

          Resumen Objetivo: cuantificar las ingestas dietéticas de los micronutrientes implicados en el ciclo metilación-metionina (colina, betaína, folatos, vitaminas B6 y B12) en una muestra representativa de mujeres gestantes residentes en España; determinar la adecuación a las recomendaciones, y analizar sus principales fuentes alimentarias. Material y métodos: la determinación de la ingesta media se realizó a partir de los datos de consumo de los alimentos recogidos en la “Encuesta Nacional de Alimentación en población adulta, mayores y embarazadas” (ENALIA-2) (n = 133). Para el cálculo del aporte de folatos y de vitaminas B6 y B12 se emplearon los datos de composición nutricional recogidos en las “Tablas de Composición de Alimentos en España”, mientras que para la colina y la betaína, nutrientes no incluidos en las bases de datos de composición de alimentos en Europa, se empleó la “Base de Datos Nacional de Nutrientes para Referencia Estándar del Departamento de Agricultura de los Estados Unidos” (USDA). La adecuación de la ingesta se estimó de acuerdo con las recomendaciones de las principales guías españolas, europeas y estadounidenses. Resultados: las ingestas medias diarias observadas fueron de 271,1 mg/día de colina; 142,5 mg/día de betaína; 182,8 µg/día de folatos; 1,4 mg/día de vitamina B6; y 4,5 µg/día de vitamina B12. Los niveles de adecuación a las recomendaciones resultaron insuficientes para la colina (< 60,2 %) y los folatos (< 30,5 %); cercanos a la adecuación para la vitamina B6 (> 71,6 %); y plenamente adecuados únicamente en el caso de la vitamina B12 (> 101,1 %). No resulta posible extraer ninguna conclusión con respecto al aporte de betaína al no existir recomendaciones establecidas. Las principales fuentes alimentarias fueron: alimentos de origen animal para la colina y la vitamina B12 (71,8 % y 97,4 %, respectivamente); cereales y derivados para la betaína (85,3 %); verduras y hortalizas (27,5 %) junto a cereales y derivados (18,6 %) para los folatos; y carnes y derivados (26,6 %), seguidos de verduras y hortalizas (17,9 %) para la vitamina B6. Conclusiones: los resultados obtenidos son indicativos de la necesidad de mejorar la ingesta y el estado nutricional de estos componentes de gran interés para la salud de la mujer embarazada. Como consecuencia del grado de adecuación observado, parece necesario y urgente el empleo no solo de estrategias para mejorar la dieta y el uso de alimentos fortificados, sino también de suplementos nutricionales de manera personalizada.

          Translated abstract

          Abstract Objective: a quantification of dietary intakes of the micronutrients involved in the methylation-methionine cycle (choline, betaine, folate, vitamins B6 and B12) in a representative sample of pregnant women in Spain; assessment of intake adequacy to available official recommendations; and analysis of their main food sources. Material and methods: the median intake of each micronutrient was established using food consumption data reported in the National Dietary Survey of adults, the elderly, and pregnant women (ENALIA-2) (n = 133). For folate, vitamin B6 and vitamin B12 intake, nutritional composition data from the Spanish Food Composition Tables were used, whereas for choline and betaine, which are not included in European food composition databases, the National Nutrient Database for Standard Reference of the United States Department of Agriculture (USDA) was considered. Intake adequacy was estimated in accordance with the recommendations of the main Spanish, European, and US guidelines. Results: mean daily intakes observed were 271.1 mg/day of choline; 142.5 mg/day of betaine; 182.8 µg/day of folate; 1.4 mg/day of vitamin B6; and 4.5 µg/day of vitamin B12. Intake adequacy levels were insufficient for choline (< 60.2 %) and folate (< 30.5 %); close to adequacy for vitamin B6 (> 71.6 %); and fully adequate only in the case of vitamin B12 (> 101.1 %). It is not possible to draw any conclusions regarding betaine intake in the absence of established recommendations. Main food sources included foods of animal origin for choline and vitamin B12 (71.8 % and 97.4 %, respectively); cereals and derivatives for betaine (85.3 %); vegetables (27.5 %) together with cereals and derivatives (18.6 %) for folate; and meats and derivatives (26.6 %) followed by vegetables (17.9 %) for vitamin B6. Conclusions: these findings are clearly indicative of the need to improve the intake and nutritional status of these components, which are of great nutritional interest for the health of pregnant women and, consequently, of their offspring. Consequent to the degree of adequacy observed, it seems necessary and urgent to employ not only dietary improvement strategies and the use of fortified foods, but also nutritional supplements with an individualized approach.

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          Advocacy for Improving Nutrition in the First 1000 Days to Support Childhood Development and Adult Health

          Maternal prenatal nutrition and the child's nutrition in the first 2 years of life (1000 days) are crucial factors in a child's neurodevelopment and lifelong mental health. Child and adult health risks, including obesity, hypertension, and diabetes, may be programmed by nutritional status during this period. Calories are essential for growth of both fetus and child but are not sufficient for normal brain development. Although all nutrients are necessary for brain growth, key nutrients that support neurodevelopment include protein; zinc; iron; choline; folate; iodine; vitamins A, D, B6, and B12; and long-chain polyunsaturated fatty acids. Failure to provide key nutrients during this critical period of brain development may result in lifelong deficits in brain function despite subsequent nutrient repletion. Understanding the complex interplay of micro- and macronutrients and neurodevelopment is key to moving beyond simply recommending a "good diet" to optimizing nutrient delivery for the developing child. Leaders in pediatric health and policy makers must be aware of this research given its implications for public policy at the federal and state level. Pediatricians should refer to existing services for nutrition support for pregnant and breastfeeding women, infants, and toddlers. Finally, all providers caring for children can advocate for healthy diets for mothers, infants, and young children in the first 1000 days. Prioritizing public policies that ensure the provision of adequate nutrients and healthy eating during this crucial time would ensure that all children have an early foundation for optimal neurodevelopment, a key factor in long-term health.
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            Prevention of neural tube defects: Results of the Medical Research Council Vitamin Study

            (1991)
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              Periconceptional dietary intake of choline and betaine and neural tube defects in offspring.

              Periconceptional intake of folic acid prevents some neural tube defects (NTDs). Other nutrients may also contribute to NTD etiologies; a likely candidate is choline. Similar to folic acid, choline is involved in one-carbon metabolism for methylation of homocysteine to methionine. The authors investigated whether maternal periconceptional dietary intakes of choline and its metabolite betaine influence NTD risk. Data were derived from a case-control study of fetuses and infants with NTDs among 1989-1991 California births. In-person interviews were conducted with mothers of 424 NTD cases and with mothers of 440 nonmalformed controls. A standard 100-item food frequency questionnaire was used to assess nutrient intake. Dietary intakes of choline were associated with reduced NTD risks. Controlling for intake of supplemental folic acid, dietary folate, dietary methionine, and other covariates did not substantially influence risk estimates for choline. NTD risk estimates were lowest for women whose diets were rich in choline, betaine, and methionine. That is, for women whose intake was above the 75th percentile compared with below the 25th percentile for all three nutrients, the odds ratio was 0.17 (95% confidence interval: 0.04, 0.76). Study findings for dietary components other than folic acid offer additional clues about the complex etiologies of NTDs.
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                Author and article information

                Journal
                nh
                Nutrición Hospitalaria
                Nutr. Hosp.
                Grupo Arán (Madrid, Madrid, Spain )
                0212-1611
                1699-5198
                October 2021
                : 38
                : 5
                : 1026-1033
                Affiliations
                [2] Alcorcón Madrid orgnameGrupo USP-CEU de Excelencia “Nutrición para la vida (Nutrition For Life)” Spain
                [1] Alcorcón Madrid orgnameUniversidad San Pablo-CEU, CEU Universities orgdiv1Facultad de Farmacia orgdiv2Departamento de Ciencias Farmacéuticas y de la Salud Spain
                Article
                S0212-16112021000600018 S0212-1611(21)03800500018
                10.20960/nh.03684
                d3f73698-abcd-49f5-86c8-c0ea462578fb

                This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

                History
                : 11 July 2021
                : 07 May 2021
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 48, Pages: 8
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                SciELO Spain

                Categories
                Trabajos Originales

                Colina,Betaína,Folatos,Vitamina B12,Vitamina B6,Gestación,Choline,Betaine,Folates,Vitamin B12,Vitamin B6,Pregnancy

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