110645 20230519145449.0 doi 10.1016/j.foodchem.2021.130405 sideral 125996 ART-2021-125996 eng Ferreira, Chelo Universidad de Zaragoza (orcid)0000-0002-3698-6719 An assessment of voltammetry on disposable screen printed electrodes to predict wine chemical composition and oxygen consumption rates 2021 Access copy available to the general public Unrestricted The present work aimed at determining the applicability of linear sweep voltammetry coupled to disposable carbon paste electrodes to predict chemical composition and wine oxygen consumption rates (OCR) by PLSmodeling of the voltammetric signal. Voltammetric signals were acquired in a set of 16 red commercial wines. Samples were extensively characterized including SO2, antioxidant indexes, metals and polyphenols measured by HPLC. Wine OCRs were calculated by measuring oxygen consumption under controlled oxidation conditions. PLS-Regression models were calculated to predict chemical variables and wine OCRs from first order difference voltammogram curves. A significant number of fully validated models predicting chemical variables from voltammetric signals were obtained. Interestingly, monomeric and polymerized anthocyanins can be differently predicted from the first and second wave of the first derivative of voltammograms, respectively. This fast, cheap and easy-to-use approach presents an important potential to be used in wineries for rapid wine chemical characterization. info:eu-repo/grantAgreement/ES/MICINN/RYC2019-027995-I/AEI/10.13039/501100011033 info:eu-repo/grantAgreement/ES/MINECO/AGL2017-87373-C3-1-R info:eu-repo/grantAgreement/ES/MINECO/AGL2017-87373-C3-3-R info:eu-repo/grantAgreement/ES/MINECO/RTC-2016-4935-2 info:eu-repo/semantics/openAccess by http://creativecommons.org/licenses/by/3.0/es/ 9.231 2021 CHEMISTRY, APPLIED 6 / 73 = 0.082 2021 Q1 T1 NUTRITION & DIETETICS 6 / 90 = 0.067 2021 Q1 T1 FOOD SCIENCE & TECHNOLOGY 8 / 144 = 0.056 2021 Q1 T1 1.489 2021 Food Science 2021 Q1 Analytical Chemistry 2021 Q1 13.1 2021 info:eu-repo/semantics/article info:eu-repo/semantics/acceptedVersion Saenz-Navajas, María Pilar Carrascon, Vanesa (orcid)0000-0001-7931-574X Naes, Tormod Fernandez-Zurbano, Purificación Ferreira, Vicente Universidad de Zaragoza (orcid)0000-0002-4353-2483 2005 595 Universidad de Zaragoza Dpto. Matemática Aplicada Área Matemática Aplicada 2009 750 Universidad de Zaragoza Dpto. Química Analítica Área Química Analítica 365 (2021), 130405 [9 pp.] Food chem. Food Chemistry 0308-8146 1548709 http://zaguan.unizar.es/record/110645/files/texto_completo.pdf Postprint 785691 http://zaguan.unizar.es/record/110645/files/texto_completo.jpg?subformat=icon icon Postprint oai:zaguan.unizar.es:110645 articulos driver 2023-05-18-14:41:45 ARTICLE