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Por favor, use este identificador para citar o enlazar este documento: https://ria.asturias.es/RIA/handle/123456789/1004
Título : Liquid chromatographic method for quantifying polyphenols in ciders by direct injection
Autor : Suárez, Belén
Palacios García, Noemí
Fraga Palomino, Natalia
Rodríguez, Roberto
Palabras clave : Phenolic acids
Direct injection
Fecha de publicación : 25-feb-2005
Editorial : Elsevier
Citación : Suárez, Belén; Palacios, Noemí; Fraga, Natalia; Rodríguez, Roberto. Liquid chromatographic method for quantifying polyphenols in ciders by direct injection. Journal of Chromatography A. 2005; 1066 (1-2): 105-110.
Resumen : An analytical method for the quantitative determination of the principal phenolic compounds (benzoic acids, hydroxycinnamic acids, 3-phenylpropionic acids, flavanols, procyanidins, dihydrochalcones, quercetin glycosides) in ciders, which successfully employs a RP-HPLC and photodiode-array detection system without prior treatment of the sample, is described. Parameters usually examined in the method validation were evaluated. Good linearity was obtained with correlation coefficients exceeding 0.999 and the detection limits ranged from 0.07 mg/L (p-hydroxybenzoic acid) to 2 mg/L (hydrocaffeic acid). Recoveries ranging between 90 and 104% and the reproducibility of the method was always <8% (RSD). The method was applied to a set of commercial samples and the results obtained may be helpful to establish a phenolic profile in Asturian cider.
URI : http://ria.asturias.es/RIA/handle/123456789/1004
ISSN : 0021-9673
Aparece en las colecciones: Agroalimentación y Ganadería
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