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Revista Facultad de Ciencias Básicas
Article . 2017 . Peer-reviewed
License: CC BY NC ND
Data sources: Crossref
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Revista Facultad de Ciencias Básicas
Article
License: CC BY NC ND
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Optimización del protocolo para la extracción y la cuantificación de proteínas totales en semillas germinadas de maíz (Zea mays L.)

Authors: Correa Navarro, Yaned Milena; Buriticá Salazar, Laura María; Rivera Giraldo, Juan David; Penagos González, Juan Pablo; Torres Osorio, Javier Ignacio;

Optimización del protocolo para la extracción y la cuantificación de proteínas totales en semillas germinadas de maíz (Zea mays L.)

Abstract

El maíz (Zea mays L.) es el cereal de mayor cultivo a nivel mundial, del cual se pueden obtener para consumo humano, harina, fibra, aceite y proteínas; de estas últimas se han aislado diferentes tipos tales como albúminas, globulinas, prolaminas y gluteninas; sin embargo, dada la variedad de estas biomoléculas, su obtención no ha sido fácil. Este trabajo se realizó para determinar el mejor método para la extracción y la cuantificación de las proteínas totales en semillas germinadas de maíz (Zea mays L.), para lo cual se compararon seis protocolos de extracción que resultaron al combinar dos métodos físicos convencionales: agitación orbital o asistida con ultrasonido, y tres solventes de extracción: ácido tricloroacético, Tris-Base y Tris-HCl. Previamente se eligió el mejor método de cuantificación por espectroscopía de ultravioleta visible empleando los reactivos cromogénicos de: Lowry, Bio-Rad y Bradford. Los mejores resultados (10,83 mg/l de proteína) se obtuvieron con la extracción asistida con ultrasonido en combinación con Tris-Base y empleando el reactivo de Bradford para la generación del color y la posterior cuantificación por espectroscopía de ultravioleta-visible.

Country
Colombia
Keywords

Evaluación de proteínas totales, análisis de biomoléculas, lixiviación, Bradford, método espectrofotométrico

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    popularity
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    Top 10%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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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!
5
Top 10%
Average
Average
Green
gold