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Artículo

Multielemental analysis and classification of amaranth seeds according to their botanical origin

Aguilar, Elba Graciela; Cantarelli, Miguel AngelIcon ; Marchevsky, Eduardo JorgeIcon ; Escudero, Nora L.; Camiña, José ManuelIcon
Fecha de publicación: 09/2011
Editorial: American Chemical Society
Revista: Journal of Agricultural and Food Chemistry
ISSN: 0021-8561
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Química Analítica

Resumen

The characterization of amaranth seeds (Amaranthus spp.) was developed for Amaranthus hypochondriacus, Amaranthus cruentus, and Amaranthus dubius. The elemental concentrations were determined by inductively coupled plasma optic atomic spectroscopy. Pattern recognition methods were used for the characterization of seed samples: nonsupervised methods included principal components analysis and cluster analysis; supervised methods were linear discriminant analysis and partial least squares discriminant analysis (PLS-DA). Informed are the concentrations of the following elements: Ag, Al, Ba, Ca, Co, Cr, Cu, Fe, K, La, Li, Mg, Mn, Mo, Na, Ni, P, S, Sr, V, Zn, and Zr. The lowest mineral content was found in A. hypochondriacus, and the highest one was found in A. dubius. For the classification, selected variables for all multivariate methods were Ba, Cr, Li, Mn, Ni, S, and Sr. Nonsupervised methods allowed us to distinguish between the three species of amaranth; however, PLS-DA supervised methods showed the best prediction ability.
Palabras clave: A. Cruentus , A. Dubius , A. Hypochondriacus , Amaranth , Icp-Oes , Multivariate , Pattern Recognition , Seeds
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/81592
URL: https://pubs.acs.org/doi/10.1021/jf202610t
DOI: http://dx.doi.org/10.1021/jf202610t
Colecciones
Articulos(INCITAP)
Articulos de INST.D/CS D/L/TIERRA Y AMBIENTALES D/L/PAMPA
Citación
Aguilar, Elba Graciela; Cantarelli, Miguel Angel; Marchevsky, Eduardo Jorge; Escudero, Nora L.; Camiña, José Manuel; Multielemental analysis and classification of amaranth seeds according to their botanical origin; American Chemical Society; Journal of Agricultural and Food Chemistry; 59; 17; 9-2011; 9059-9064
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