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Triptófano

ProteínasProteínas
AminoácidosAminoácidos

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Definición

El triptófano es un aminoácido necesario para el crecimiento normal en los bebés y para la producción y mantenimiento de las proteínas, músculos, enzimas y neurotransmisores del cuerpo. Es un aminoácido esencial. Esto significa que el cuerpo no lo puede producir, por lo que se debe obtener de la alimentación.

Funciones

El cuerpo utiliza el triptófano para ayudar a producir la melatonina y la serotonina. La melatonina ayuda a regular el ciclo de sueño y vigilia y se cree que la serotonina ayuda a regular el apetito, el sueño, el estado de ánimo y el dolor.

El hígado también puede utilizar el triptófano para producir niacina (vitamina B3), la cual es necesaria para el metabolismo energético y la producción de ADN. Con el fin de que el triptófano en la dieta se convierta en niacina, el cuerpo necesita tener suficiente:

Hierro
Riboflavina
Vitamina B6

Fuentes alimenticias

El triptófano se puede encontrar en:

El queso
El pollo
Claras de huevos
El pescado
La leche
Las semillas de girasol
El maní
Las semillas de calabaza
Las semillas de ajonjolí
Los frijoles de soya
El pavo

Referencias

Nagai R, Taniguchi N. Amino acids and proteins. In: Baynes JW, Dominiczak MH, eds. Medical Biochemistry. 5th ed. Philadelphia, PA: Elsevier; 2019:chap 2.

United States Department of Health and Human Services; United States Department of Agriculture. 2015-2020 Dietary Guidelines for Americans. 8th ed. health.gov/our-work/food-nutrition/2015-2020-dietary-guidelines/guidelines/. Updated December 2015. Accessed May 27, 2022.

Programe una cita

Actualizado : 2/4/2022

Versión en inglés revisada por : Meagan Bridges, RD, University of Virginia Health System, Charlottesville, VA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

Ver referencias

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