Characterization of proteins and mineral content of two bean landraces from Mexico.

 

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Detalles Bibliográficos
Autores: Raya-Pérez, Juan Carlos, Gutiérrez-Benicio, Glenda Margarita, Ramírez-Pimentel, Juan Gabriel, Covarrubias-Prieto, Jorge, Aguirre-Mancilla, César Leobardo
Formato: artículo original
Estado:Versión publicada
Fecha de Publicación:2014
Descripción:The objective of this work was to characterize, at the biochemical level, two Mexican native landraces Bayo Berrendo and Patzcuareño of common bean. Storage protein from seeds was extracted from two common bean (Phaseolus vulgaris) varieties (Bayo Berrendo and Patzcuareño), and their respective electrophoretic patterns were compared. Total soluble protein was 16,47% for Bayo Berrendo, and 14,53% for Patzcuareño. Differences were also detected in the albumin fraction. Moreover their flour showed high inhibitory activity against trypsin mainly in the phaseolin fraction, which corresponded to 355 units in the Bayo Berrendo and 507 units in the Patzcuareño variety. The elemental composition of the flour was also determined and showed differences. The Bayo Berrendo seed flour has a composition of 0,15% Ca, 5,53% K and 0,60% Mg. While values for the Patzcuareño flour were 0,17%, 3,52 and 0,67% respectively. Interestingly the Bayo variety contained 18,8 ppm iron, while Patzcuareño contains only 3,63 ppm. Other variables related to food usage were analyzed such as water absorption capacity, which showed values near 100% for both landraces, and cooking time which took less than 110 minutes. Phenotypically, the two landraces are different in both size and color. The weight for 100 seeds of the Bayo Berrendo variety was 14,6 g and for Patzcuareño 32,6 g.
País:Portal de Revistas UCR
Institución:Universidad de Costa Rica
Repositorio:Portal de Revistas UCR
Lenguaje:Español
OAI Identifier:oai:portal.ucr.ac.cr:article/14185
Acceso en línea:https://revistas.ucr.ac.cr/index.php/agromeso/article/view/14185
Access Level:acceso abierto
Palabra clave:bean mineral content
protease inhibitors
electrophoretic protein pattern
diversity in native bean proteins.
contenido mineral en frijol
inhibidores de proteasas
patrón electroforético de proteínas
diversidad en proteínas de frijol nativo