Document Detail


Characterization of total, free and esterified phytosterols in tetraploid and hexaploid wheats.
MedLine Citation:
PMID:  19292465     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Dietary plant sterols have received increasing attention in recent years due to their favorable health benefits. The present research focused on quantification of phytosterols as free, esterified and total forms in different tetraploid (5 cultivars of Triticum durum Desf., 9 cultivars of Triticum dicoccon Schrank) and hexaploid (5 cultivars of T. aestivum L., 12 cultivars of Triticum spelta L.) wheats. Tetraploid wheats showed the highest content of total sterol (79.4 and 79.5 mg of sterols /100 g dry weight for T. durum and T. dicoccon, respectively). Hexaploid cultivars were the best source of esterified sterols (40.7% and 37.3% of total sterols for Triticum aestivum and T. spelta, respectively). Significant amounts of free sterols (65.5% and 60.7% of total sterols for T. durum and T. dicoccon, respectively) were found in the tetraploid cultivars. The most abundant phytosterol in all wheat samples was sitosterol accounting for 45.1-59.1, 46.6-57.4 and 38.6-59.5% of total, free and esterified sterol fraction, respectively. These results demonstrate that although the sterol profile present in tetraploid and hexaploid wheat species is the same, differences in their relative amounts and distribution allow statistical differentiation between hexaploids and tetraploids, and between soft and durum wheats.
Authors:
Giovanna Iafelice; Vito Verardo; Emanuele Marconi; Maria Fiorenza Caboni
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of agricultural and food chemistry     Volume:  57     ISSN:  1520-5118     ISO Abbreviation:  J. Agric. Food Chem.     Publication Date:  2009 Mar 
Date Detail:
Created Date:  2009-03-18     Completed Date:  2009-05-06     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0374755     Medline TA:  J Agric Food Chem     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2267-73     Citation Subset:  IM    
Affiliation:
Dipartimento di Scienze e Tecnologie Agro-alimentari Ambientali e Microbiologiche, Universita del Molise, Campobasso, Italy.
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MeSH Terms
Descriptor/Qualifier:
Chromatography, Gas
Esterification
Genotype
Phytosterols / analysis*,  isolation & purification
Ploidies
Seeds / chemistry
Species Specificity
Triticum / chemistry*,  genetics*
Chemical
Reg. No./Substance:
0/Phytosterols

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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