Discrimination of Brazilian Cassava Genotypes (Manihot Esculenta Crantz) According to Their Physicochemical Traits and Functional Properties Through Bioinformatics Tools

Rodolfo Moresco, VirgíLio G. Uarrota, Eduardoda C. Nunes, Bianca Coelho, Edna Regina Amante, Vanessa Maria Gervin, Carlos Eduardo M Campos, Miguel Rocha, Marcelo Maraschin

Resultado de la investigación: Contribución a una revistaArtículo de la conferenciarevisión exhaustiva

Resumen

Manihot esculenta currently ranks as the third most important species source of calories in the world. The most important part of the plant is the root, rich in starch. The starch fraction is basically composed of amylose and amylopectin, and different ratios of contents of these two polysaccharides determine the physicochemical traits and functional properties peculiars to genotypes. In this study, principal component analysis (PCA) and clusters analysis were applied to a set of physicochemical and functional variables of ten starch samples of M. esculenta genotypes. Moreover, a further chemometric approach was used to a FTIR spectral data set. The analytical techniques employed, associated with chemometric analyzes, allowed distinguishing and/or grouping the genotypes according to their physicochemical traits and functional peculiarities. It was also observed a good relationship between the descriptive models built using the physicochemical dataset and the FTIR dataset from the carbohydrate fingerprint region, allowing a more detailed and robust understanding of possible differences and/or similarities of the studied genotypes.

Idioma originalInglés
Páginas (desde-hasta)57-63
Número de páginas7
PublicaciónAdvances in Intelligent Systems and Computing
Volumen294
N.ºAISC
DOI
EstadoPublicada - 2014
Publicado de forma externa
Evento8th International Conference on Practical Applications of Computational Biology and Bioinformatics, PACBB 2014 - Salamanca, Espana
Duración: 4 jun 20146 jun 2014

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