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Revista Mexicana de Ciencias Pecuarias
Article . 2020 . Peer-reviewed
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Revista Mexicana de Ciencias Pecuarias
Article
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DIGITAL.CSIC
Article . 2021 . Peer-reviewed
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Origen metabólico y propiedades bioactivas de ácidos grasos ramificados e impares en leche de rumiantes. Revisión

Authors: Gómez-Cortés, Pilar; Fuente, Miguel Ángel de la;

Origen metabólico y propiedades bioactivas de ácidos grasos ramificados e impares en leche de rumiantes. Revisión

Abstract

Los ácidos grasos de cadena impar y ramificada (AGCIR) son un grupo de lípidos en la leche que no supera el 5 % de los ácidos grasos (AG) totales, y que agrupa a un conjunto de moléculas entre las cuales los isómeros de los AG pentadecanoico (15:0, iso 15:0 y anteiso 15:0), hexadecanoico (iso 16:0) y heptadecanoico (17:0, iso 17:0 y anteiso 17:0) son los más abundantes. Los AGCIR son sintetizados por microorganismos ruminales a partir de moléculas producidas durante los procesos de la fermentación de alimentos. Investigaciones recientes señalan la posibilidad de síntesis endógena de algunos AG de cadena impar (15:0 y 17:0) y ramificada (iso 17:0 y anteiso 17:0). La presencia de estos AG en la leche está influenciada por factores dietéticos, principalmente con la proporción de almidón vs fibra, la relación forraje/concentrado y la suplementación con fuentes de grasa que generan cambios en el metabolismo lipídico, que inducen modificaciones en el perfil de AGCIR de la leche. La leche y los productos lácteos son la principal y casi única fuente de AGCIR de la dieta humana. A pesar de su baja concentración, los AGCIR representan propiedades bioactivas que han sido puestas de manifiesto en distintas investigaciones. Este trabajo revisa el origen metabólico, las propiedades bioactivas, así como las más recientes estrategias alimenticias dirigidas para manipular los contenidos y perfiles de AGCIR en la grasa láctea.

Country
Spain
Keywords

Productos lácteos, rumen, Rumen, rumiante, productos lácteos, Ruminant, Veterinary medicine, Rumiante, SF1-1100, Animal culture, leche, Leche, Milk, SF600-1100, Lípidos, Fatty acids, ácidos grasos, lípidos, Ácidos grasos, Dairy products

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
views
OpenAIRE UsageCountsViews provided by UsageCounts
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