Document Detail


Variation in Physical and Chemical Characteristics of Common Bean (Phaseolus vulgaris L.) Grain along a Domestication Gradient.
MedLine Citation:
PMID:  22162159     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
The objective of this study was to compare six samples of Mexican wild common bean (Phaseolus vulgaris L.) against three landraces and three improved cultivars with respect to physical and chemical attributes, and the culinary quality potential of their grain. A completely randomized experimental design was used to characterize the twelve genotypes. Data were analyzed by analysis of variance and pair-wise comparison of the treatment means by the Tukey test. In addition, correlation and principal-component analysis (PCA) were carried out using twelve characteristics of raw and four of cooked wild and domesticated grains. The results show a larger variability of the physical and chemical characteristics in wild than in domesticated beans. The PCA confirmed that grain gigantism was the main physical characteristic resulting of domestication, whereas the protein and tryptophan contents tended to be higher in wild than domesticated genotypes. Some wild samples from Chihuahua and Durango, Mexico, showed to be a genetic resource to improve food quality, because of their richness in minerals, protein, lysine, tryptophan, and dietary fibers.
Authors:
Cecilia Beatriz Peña-Valdivia; J Rodolfo García-Nava; J Rogelio Aguirre R; Ma Carmen Ybarra-Moncada; Maritza López H
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Chemistry & biodiversity     Volume:  8     ISSN:  1612-1880     ISO Abbreviation:  Chem. Biodivers.     Publication Date:  2011 Dec 
Date Detail:
Created Date:  2011-12-13     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101197449     Medline TA:  Chem Biodivers     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  2211-25     Citation Subset:  IM    
Copyright Information:
Copyright © 2011 Verlag Helvetica Chimica Acta AG, Zürich.
Affiliation:
Botánica, Colegio de Postgraduados, Carretera México-Texcoco km 35.5, Montecillo México 56230, México). cecilia@colpos.mx, ceciliabpv@yahoo.com.mx.
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