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Article . 2014
License: CC BY NC SA
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Presencia de elementos traza inorgánicos de importancia nutricional en leche de rumiantes

Authors: Arellano, Flavia Elisa; Alvarez Gonçalvez, Cristina Viviana; Pérez Carrera, Alejo Leopoldo; Calzetta Resio, Andrea Nilda; Fernandez Cirelli, Alicia;

Presencia de elementos traza inorgánicos de importancia nutricional en leche de rumiantes

Abstract

La caracterización composicional y la cuantificación de micronutrientes de los productos lácteos de los distintos tipos de rumiantes son fundamentales para brindarle a los consumidores calidad nutricional y garantía de inocuidad. Entre los elementos de mayor importancia encontramos cobre (Cu), manganeso (Mn), hierro (Fe) y zinc (Zn). Existe un rango óptimo de estos nutrientes, y su concentración depende de su metabolismo y su interacción con otros elementos. El objetivo de este trabajo es caracterizar y comparar los niveles de estos micronutrientes en leches pertenecientes a bovinos, caprinos y ovinos; analizando la relación entre las concentraciones de dichos elementos con los niveles de grasas y proteínas totales. Los resultados obtenidos señalaron que las características de las leches difieren entre especies y presentan gran variabilidad intraespecífica. En la leche de oveja solo se encontró una correlación significativa entre Cu y Zn; y en la de vaca, entre Cu y Mn, y entre Zn y Mn. En ninguna de las leches se encontró correlación alguna con el Fe. A partir de los resultados obtenidos se hace evidente la necesidad de profundizar el estudio de la caracterización y de los factores que influyen en su composición y sus características físico-químicas.

Knowing the milk composition of several ruminant species is fundamental to produce healthy and safety food. The most important trace elements with nutritional value are copper (Cu), manganese (Mn), iron (Fe) and zinc (Zn). There is an optimal concentration range for this micronutrients, and their levels in milk depend on the metabolism and to the interaction with other elements. The aim of this study is characterizing and comparing the micronutrients levels in several ruminant milks, and assessing the relationship between the micronutrient levels with the fat and protein contents. The results showed that the milk characteristics are different among species and present intraspecific variability. It was found a significative correlation between Cu and Zn in ovine milk, between Cu and Mn, and between Zn and Mn in cattle milk. No milk showed a correlation with iron levels. After these results, it is showed the importance to know about the milk composition and the different facts that determine its composition and physicochemistry characteristics.

Fil: Alvarez Gonçalvez, Cristina Viviana. Universidad de Buenos Aires. Facultad de Ciencias Veterinarias. Centro de Estudios Transdisciplinarios del Agua; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Unidad Ejecutora de Investigaciones en Produccion Animal; Argentina

Fil: Pérez Carrera, Alejo Leopoldo. Universidad de Buenos Aires. Facultad de Ciencias Veterinarias. Centro de Estudios Transdisciplinarios del Agua; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Unidad Ejecutora de Investigaciones en Produccion Animal; Argentina

Fil: Fernandez Cirelli, Alicia. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Unidad Ejecutora de Investigaciones En Produccion Animal; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Veterinarias. Centro de Estudios Transdisciplinarios del Agua; Argentina

Fil: Arellano, Flavia Elisa. Universidad de Buenos Aires. Facultad de Ciencias Veterinarias. Centro de Estudios Transdisciplinarios del Agua; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Unidad Ejecutora de Investigaciones en Produccion Animal; Argentina

Fil: Calzetta Resio, Andrea Nilda. Universidad de Buenos Aires. Facultad de Ciencias Veterinarias. Centro de Estudios Transdisciplinarios del Agua; Argentina

Country
Argentina
Keywords

RUMIANTES, MICRONUTRIENTES, LECHE, PROTEÍNAS TOTALES, https://purl.org/becyt/ford/4.3, GRASAS TOTALES, https://purl.org/becyt/ford/4

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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!
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