Phytosterols in the seeds of wild sunflower species

Phytosterols in the seeds of wild sunflower species

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Trabajo presentado en el International Symposium on Sunflower Genetic Resources, celebrado en Kusadasi (Turquía) del 16 al 20 de octubre de 2011.

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Main Authors: Fernández de la Cuesta, Álvaro, Velasco Varo, Leonardo, Fernández Martínez, José María
Format: comunicación de congreso biblioteca
Published: International Sunflower Association 2011-10
Online Access:http://hdl.handle.net/10261/98172
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spelling dig-ias-es-10261-981722018-08-03T10:05:07Z Phytosterols in the seeds of wild sunflower species Fernández de la Cuesta, Álvaro Velasco Varo, Leonardo Fernández Martínez, José María Trabajo presentado en el International Symposium on Sunflower Genetic Resources, celebrado en Kusadasi (Turquía) del 16 al 20 de octubre de 2011. Ingestion of phytosterols prevents intestinal absorption of cholesterol in humans and results in a lowering of serum cholesterol, which has stimulated the use of phytosterols as enriched food ingredients in functional foods. Sunflower seeds and oils are rich sources of phytosterols. The variation reported for these compounds in cultivated sunflower germplasm is low. As for many other traits, wild sunflower species may contain valuable unexplored variation for phytosterol content and profile. The objective of this research was to evaluate variation for seed phytosterols in a set of 47 wild Helianthus species from the USDA-ARS collection. An impressive variation was identified for total phytosterol content (1017 to 4308 mg kg-1 seed) and proportion of individual phytosterols, particularly campesterol (5.1 to 16.3%) stigmasterol (3.1 to 23.9%), beta-sitosterol (35.1 to 72.3%), delta-5-avenasterol (1.9 to 20.5%), delta-7-stigmastenol (1.1 to 20.3%), and delta-7-avenasterol (0.3 to 10.6%). Some of the extremes of these ranges of variation have not been identified in cultivated sunflower. The feasibility of transferring genes determining interesting phytosterol traits to cultivated sunflower should be investigated. Peer Reviewed 2014-06-11T10:14:48Z 2014-06-11T10:14:48Z 2011-10 2014-06-11T10:14:48Z comunicación de congreso http://purl.org/coar/resource_type/c_5794 International Symposium on Sunflower Genetic Resources (2011) http://hdl.handle.net/10261/98172 none International Sunflower Association
institution IAS ES
collection DSpace
country España
countrycode ES
component Bibliográfico
access En linea
databasecode dig-ias-es
tag biblioteca
region Europa del Sur
libraryname Biblioteca del IAS España
description Trabajo presentado en el International Symposium on Sunflower Genetic Resources, celebrado en Kusadasi (Turquía) del 16 al 20 de octubre de 2011.
format comunicación de congreso
author Fernández de la Cuesta, Álvaro
Velasco Varo, Leonardo
Fernández Martínez, José María
spellingShingle Fernández de la Cuesta, Álvaro
Velasco Varo, Leonardo
Fernández Martínez, José María
Phytosterols in the seeds of wild sunflower species
author_facet Fernández de la Cuesta, Álvaro
Velasco Varo, Leonardo
Fernández Martínez, José María
author_sort Fernández de la Cuesta, Álvaro
title Phytosterols in the seeds of wild sunflower species
title_short Phytosterols in the seeds of wild sunflower species
title_full Phytosterols in the seeds of wild sunflower species
title_fullStr Phytosterols in the seeds of wild sunflower species
title_full_unstemmed Phytosterols in the seeds of wild sunflower species
title_sort phytosterols in the seeds of wild sunflower species
publisher International Sunflower Association
publishDate 2011-10
url http://hdl.handle.net/10261/98172
work_keys_str_mv AT fernandezdelacuestaalvaro phytosterolsintheseedsofwildsunflowerspecies
AT velascovaroleonardo phytosterolsintheseedsofwildsunflowerspecies
AT fernandezmartinezjosemaria phytosterolsintheseedsofwildsunflowerspecies
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