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Study of the Qualitative and Semi-quantitative Analysis of Grape Seed Extract by HPLC

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Sorolla, Sílvia
Flores, Antònia
Canals Parelló, Trini
Cantero Gómez, María Rosa
Font Vallès, JoaquimMés informació
Ollé Otero, Lluís
Bacardit Dalmases, AnnaMés informació
Document typeArticle
Defense date2018-03-05
Rights accessRestricted access - publisher's policy
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
The main aim of this study is to carry out a qualitative and semiquantitative analysis of tannin extracts as an alternative to the official analysis method ISO 14088 – IUC 32, so that a correlation between the two methods is established. From the point of view of the chemical composition, tannins are classified into two major groups: i) condensed tannins, also called flavanols or catechins, and ii) hydrolysable tannins, also called pyrogallic tannins. Today, the most widely used conventional extracts are quebracho, mimosa, chestnut, and tara. Quebracho and mimosa are condensed tannins, whereas chestnut and tara are hydrolysable tannins. The following extracts were used in this study: tara powder, commercial mimosa and quebracho extracts and extracts derived from grape seed, containing both condensed and hydrolysable extracts. The development of this new method will allow a faster and less expensive estimate of the amount of tannins present in a tannin extract.
CitationSorolla, S., Flores, A., Canals, T., Cantero, M.R., Font Vallès, Joaquim, Olle, L., Bacardit, A. Study of the Qualitative and Semi-quantitative Analysis of Grape Seed Extract by HPLC. "Journal of the American Leather Chemists Association", 5 Març 2018, vol. 113, núm. 3, p. 88-93. 
URIhttp://hdl.handle.net/2117/114416
ISSN0002-9726
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  • Càtedra A3 ENGIBIO - Càtedra A3 d’Innovació en Cuir, Moda i Tèxtils - Articles de revista [22]
  • Departament d'Enginyeria Química - Articles de revista [1.918]
  • Escola d'Enginyeria d'Igualada - Articles de revista [59]
  • GIR - Grup de recerca: GIR Ambiental - Articles de revista [26]
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