Espectroscopia por energia dispersiva para la determinación cuantitativa de los principales elementos en las cenizas de leche

Autores/as

DOI:

https://doi.org/10.33448/rsd-v10i10.18910

Palabras clave:

Minerales de la leche; Espectrometria de rayos-X; Cenizas de la leche; Análisis de leche.

Resumen

El presente estudio preliminar objetiva la rápida determinación cuantitativa de los principales elementos químicos en las cenizas de muestras de leche cruda, utilizando la espectrometria de fluorescencia de rayos-X por energia dispersiva. La precisión del método fue satisfactoria (coeficiente de variación ≤ 5%). Los valores promedios (en mmol·kg -1) obtenidos de la análisis de 32 muestras de leite cruda mostraron buena concordancia con los datos reportados en la literatura nacional e internacional: K (26,1 ± 4,6), Ca (33,8 ± 3,7), P (28,4 ± 2,7), Na (21 ± 3,3) e Mg (4,7 ± 0,5). La concentración residual de Cl (19,0 ± 3,3 mmol·kg-1) fue menor de la esperada debido a pérdidas durante la incineración. Los resultados sugieren un buen potencial de aplicación del método para otros productos lácteos

Citas

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Publicado

10/08/2021

Cómo citar

PAULA, I. L. de .; RENHE, I. R. T. .; STEPHANI, R. .; PERRONE, Ítalo T. .; CARVALHO, A. F. de .; POMBO, A. W. . Espectroscopia por energia dispersiva para la determinación cuantitativa de los principales elementos en las cenizas de leche. Research, Society and Development, [S. l.], v. 10, n. 10, p. e280101018910, 2021. DOI: 10.33448/rsd-v10i10.18910. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/18910. Acesso em: 23 nov. 2024.

Número

Sección

Ciencias Agrarias y Biológicas