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Phenolic Metabolites in Plasma and Thigh Meat of Chickens Supplemented with Grape Byproducts

Grape byproducts are rich sources of polyphenols with powerful antioxidant and health-promoting effects. The impact of supplementing chicken diets with grape byproducts on plasma and thigh meat concentrations of phenolic metabolites was evaluated by analyzing samples by high-performance liquid chrom...

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Bibliographic Details
Published in:Journal of agricultural and food chemistry 2019-04, Vol.67 (16), p.4463-4471
Main Authors: Muñoz-González, Irene, Chamorro, Susana, Pérez-Jiménez, Jara, López-Andrés, Patricia, Álvarez-Acero, Inmaculada, Herrero, Ana M, Nardoia, Marı́a, Brenes, Agustín, Viveros, Agustín, Arija, Ignacio, Rey, Ana, Ruiz-Capillas, Claudia
Format: Article
Language:English
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Summary:Grape byproducts are rich sources of polyphenols with powerful antioxidant and health-promoting effects. The impact of supplementing chicken diets with grape byproducts on plasma and thigh meat concentrations of phenolic metabolites was evaluated by analyzing samples by high-performance liquid chromatography quadrupole time of flight mass spectrometry. Chickens were fed three experimental diets: Control diet, Control+8% grape pomace, and Control+0.1% grape seed extract. In plasma, 32 phenolic metabolites were identified, some of which were conjugated catechin/epicatechin metabolites exclusively identified in chickens fed diets enriched in grape byproducts. Also, these chickens showed significantly higher plasmatic concentrations of 21 phenolic metabolites. In thigh meat, 14 phenolic metabolites were identified, but no differences were found between diets. Higher plasmatic tocopherol was found when supplementing diets with grape byproducts, while no changes were observed in meat. Thus, supplementing chicken diets with grape byproducts leads to a significant increase in the circulation of phenolic metabolites and tocopherol.
ISSN:0021-8561
1520-5118
DOI:10.1021/acs.jafc.9b00222