Variation for health-enhancing compounds and traits in onion (Allium cepa L.) germplasm

Consumption of onion has been associated with reduced incidence of chronic diseases. Phenolic, organosulfur and carbohydrate compounds present are largely responsible for these effects. This study examined compositional variation for health-enhancing compounds in a genetically diverse collection of...

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Autores principales: Insani, Ester Marina, Cavagnaro, Pablo, Salomon, Virginia Marí­a, Langman, Leandro Ezequiel, Sance, María, Pazos, Adriana Alejandra, Carrari, Fernando, Filippini, Olga, Vignera, Laura, Galmarini, Claudio Romulo
Formato: Artículo
Lenguaje:Inglés
Publicado: 2017
Materias:
Acceso en línea:http://hdl.handle.net/20.500.12123/984
http://file.scirp.org/pdf/FNS_2016062015171720.pdf
https://doi.org/10.4236/fns.2016.77059
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author Insani, Ester Marina
Cavagnaro, Pablo
Salomon, Virginia Marí­a
Langman, Leandro Ezequiel
Sance, María
Pazos, Adriana Alejandra
Carrari, Fernando
Filippini, Olga
Vignera, Laura
Galmarini, Claudio Romulo
author_browse Carrari, Fernando
Cavagnaro, Pablo
Filippini, Olga
Galmarini, Claudio Romulo
Insani, Ester Marina
Langman, Leandro Ezequiel
Pazos, Adriana Alejandra
Salomon, Virginia Marí­a
Sance, María
Vignera, Laura
author_facet Insani, Ester Marina
Cavagnaro, Pablo
Salomon, Virginia Marí­a
Langman, Leandro Ezequiel
Sance, María
Pazos, Adriana Alejandra
Carrari, Fernando
Filippini, Olga
Vignera, Laura
Galmarini, Claudio Romulo
author_sort Insani, Ester Marina
collection INTA Digital
description Consumption of onion has been associated with reduced incidence of chronic diseases. Phenolic, organosulfur and carbohydrate compounds present are largely responsible for these effects. This study examined compositional variation for health-enhancing compounds in a genetically diverse collection of onion cultivars. Total antioxidant activity and aroma profiles were characterized. Significant variation in bulb concentration for total and individual phenolic compounds, thiosulfinates, carbohydrates, and total and soluble solids was found. The range of variation was particularly large (>50-fold difference between the cultivars with the highest and lowest content) for fructo-oligosaccharides (FOS) and the polyphenols quercetin, epigallocatechin gallate and epicatechin gallate. Amino acid profiles varied significantly as well with substantial variation (~10 fold) observed in both total and essential amino acids. Total antioxidant activity was positively correlated with polyphenols content, and quercetin in particular (r = 0.83), suggesting a major contribution from phenolic compounds to onion antioxidant properties. Significant positive correlation was also found between solids and thiosulfinates content (r = 0.74) and between solids and FOS (r= 0.81), suggesting a dilution/concentration effect for organosulfur compounds and FOS in onion bulbs. The present study revealed broad variation for health-enhancing compounds content in onion germplasm, which can be exploited in breeding programs aiming at increasing onion nutraceutical value.
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spelling INTA9842021-08-30T13:07:58Z Variation for health-enhancing compounds and traits in onion (Allium cepa L.) germplasm Insani, Ester Marina Cavagnaro, Pablo Salomon, Virginia Marí­a Langman, Leandro Ezequiel Sance, María Pazos, Adriana Alejandra Carrari, Fernando Filippini, Olga Vignera, Laura Galmarini, Claudio Romulo Cebolla Germoplasma Salud Onions Germoplasm Health Consumption of onion has been associated with reduced incidence of chronic diseases. Phenolic, organosulfur and carbohydrate compounds present are largely responsible for these effects. This study examined compositional variation for health-enhancing compounds in a genetically diverse collection of onion cultivars. Total antioxidant activity and aroma profiles were characterized. Significant variation in bulb concentration for total and individual phenolic compounds, thiosulfinates, carbohydrates, and total and soluble solids was found. The range of variation was particularly large (>50-fold difference between the cultivars with the highest and lowest content) for fructo-oligosaccharides (FOS) and the polyphenols quercetin, epigallocatechin gallate and epicatechin gallate. Amino acid profiles varied significantly as well with substantial variation (~10 fold) observed in both total and essential amino acids. Total antioxidant activity was positively correlated with polyphenols content, and quercetin in particular (r = 0.83), suggesting a major contribution from phenolic compounds to onion antioxidant properties. Significant positive correlation was also found between solids and thiosulfinates content (r = 0.74) and between solids and FOS (r= 0.81), suggesting a dilution/concentration effect for organosulfur compounds and FOS in onion bulbs. The present study revealed broad variation for health-enhancing compounds content in onion germplasm, which can be exploited in breeding programs aiming at increasing onion nutraceutical value. Inst. de Biotecnología Fil: Insani, Ester Marina. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Tecnología de Alimentos; Argentina. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Biotecnología; Argentina Fil: Cavagnaro, Pablo. Universidad Nacional de Cuyo; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Salomon, Virginia Marí­a. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Tecnología de Alimentos; Argentina Fil: Langman, Leandro. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Tecnología de Alimentos; Argentina Fil: Sance, María. Universidad Nacional de Cuyo; Argentina Fil: Pazos, Adriana Alejandra. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Tecnología de Alimentos; Argentina Fil: Carrari, Fernando. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Biotecnología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Filippini, Olga. Universidad Nacional de Luján; Argentina Fil: Vignera, Laura. Universidad Nacional de Luján; Argentina Fil: Galmarini, Claudio Romulo. Universidad Nacional de Cuyo; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria La Consulta; Argentina 2017-08-16T16:33:40Z 2017-08-16T16:33:40Z 2016 info:eu-repo/semantics/article info:ar-repo/semantics/artículo info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/984 http://file.scirp.org/pdf/FNS_2016062015171720.pdf 2157-944X (Print) 2157-9458 (Online) https://doi.org/10.4236/fns.2016.77059 eng info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf Food and Nutrition Sciences, 7 (7) : 577-591 (2016)
spellingShingle Cebolla
Germoplasma
Salud
Onions
Germoplasm
Health
Insani, Ester Marina
Cavagnaro, Pablo
Salomon, Virginia Marí­a
Langman, Leandro Ezequiel
Sance, María
Pazos, Adriana Alejandra
Carrari, Fernando
Filippini, Olga
Vignera, Laura
Galmarini, Claudio Romulo
Variation for health-enhancing compounds and traits in onion (Allium cepa L.) germplasm
title Variation for health-enhancing compounds and traits in onion (Allium cepa L.) germplasm
title_full Variation for health-enhancing compounds and traits in onion (Allium cepa L.) germplasm
title_fullStr Variation for health-enhancing compounds and traits in onion (Allium cepa L.) germplasm
title_full_unstemmed Variation for health-enhancing compounds and traits in onion (Allium cepa L.) germplasm
title_short Variation for health-enhancing compounds and traits in onion (Allium cepa L.) germplasm
title_sort variation for health enhancing compounds and traits in onion allium cepa l germplasm
topic Cebolla
Germoplasma
Salud
Onions
Germoplasm
Health
url http://hdl.handle.net/20.500.12123/984
http://file.scirp.org/pdf/FNS_2016062015171720.pdf
https://doi.org/10.4236/fns.2016.77059
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