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Título : Characterization of starch from two ecotypes of andean achira roots (Canna edulis)
Autor : Cisneros, Fausto H.
Zevillanos, Roberto
Cisneros-Zevallos, Luis
Palabras clave : Achira
Canna edulis
Microscopía
Almidón
Análisis de la textura
Alimentos andinos
Producción agrícola
Fecha de publicación : 2009
Editorial : American Chemical Society
Citación : Cisneros, F. H., Zevillanos, R., & Cisneros-Zevallos, L. (2009). Characterization of starch from two ecotypes of Andean Achira Roots (Canna edulis). Journal of agricultural and food chemistry, 57(16), 7363-7368.
Resumen : Starches from two ecotypes of achira roots (Canna edulis Ker-Gawler) were characterized and compared to commercial potato and corn starches. This included scanning electron microscopy (SEM) of starch granules and amylose content determination of starch. Starch solutions or gels were tested by rotational viscometry, Rapid Visco Analyzer (RVA), and texture analysis. Some starch samples were subjected to various treatments: pH reduction, autoclaving at high temperature, and high shear before testing by rotational viscometry. Achira starch showed some unusual properties, such as very large oblong granules (∼45-52 μm major axis and ∼33-34 μm minor axis) and relatively high amylose content (∼33-39%). The San Gabán achira ecotype formed highconsistency gels upon cooling, both in RVA study (5% starch) and in texture analysis (8% starch), compared to other starch gels and also exhibited higher thermal resistance to viscosity breakdown. Journal: Journal of Agricultural and Food Chemistry. Volume 57, Issue 16, 2009, Pages 7363-7368.
URI : http://repositorio.usil.edu.pe/handle/123456789/1523
http://pubs.acs.org/doi/abs/10.1021/jf9004687
ISSN : 1520-5118
Aparece en las colecciones: Artículos Académico-científicos

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