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HPLC-DAD-MS and Antioxidant Profile of Fractions from Amontillado Sherry Wine Obtained Using High-Speed Counter-Current Chromatograph

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URI: http://hdl.handle.net/10498/24520

DOI: 10.3390/foods10010131

ISSN: 2304-8158

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2021_112.pdf (1.414Mb)
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Author/s
Schwarz Rodriguez, Mónica; Weber, Fabian; Durán Guerrero, Enrique; Castro Mejías, Remedios; Rodríguez Dodero, María del Carmen; García Moreno, María de Valme; Winterhalter, Peter; Guillén Sánchez, Dominico Antonio
Date
2021-01
Department
Biomedicina, Biotecnología y Salud Pública; Química Analítica
Source
Foods 2021, 10(1), 131
Abstract
n the present work, the polyphenolic profile of a complex matrix such as Amontillado sherry has been processed by means of high-speed counter-current chromatography (HSCCC) and characterized by HPLC-DAD-MS. An Amberlite XAD-7 column was used to obtain the wine extract, and three different biphasic solvent systems were applied for HSCCC separation: MTBE (methyl tert-butyl ether)/n-butanol/acetonitrile/water (1.1/3/1.1/5+0.1% trifluoroacetic acid), MTBE/n-butanol/acetonitrile/water (2/2/1/5), and hexane/ethyl acetate/ethanol/water (1/5/1/5). As a result, 42 phenolic compounds and furanic derivatives have been identified by means of HPLC-DAD-MS, with 11 of them being identified for the first time in Sherry wines: 3-feruloylquinic acid, isovanillin, ethyl vanillate, furoic acid, dihydro-p-coumaric acid, 6-O-feruloylglucose, ethyl gallate, hydroxytyrosol, methyl protocatechuate, homoveratric acid and veratraldehyde. In addition, the antioxidant capacity (ABTS) of the obtained fractions was determined, revealing higher values in those fractions in which compounds such as gallic acid, protocatechuic acid, protocatechualdehyde, trans-caftaric acid, syringic acid, isovanillin or tyrosol, among others, were present. This is the first time that HSCCC has been used to characterize the phenolic composition of Sherry wines.
Subjects
HSCCC; sherry wine; Amontillado; phenolic compounds; antioxidant activity
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Atribución 4.0 Internacional
This work is under a Creative Commons License Atribución 4.0 Internacional

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