111697 20240319081000.0 doi 10.3390/separations9030068 sideral 127828 ART-2022-127828 eng Wrona, Magdalena Universidad de Zaragoza (orcid)0000-0003-2052-3012 Application of untargeted metabolomics to determine volatile compounds from the Spanish plant Arctostaphylos uva-ursi used as tea 2022 Access copy available to the general public Unrestricted One-hundred and seven different volatile compounds were identified in the samples of Arctostaphylos uva-ursi collected from nine locations in Spain. This plant is commonly brewed and used as tea. Volatile compounds profile was detected using solid-phase microextraction gas chromatography-mass spectrometry. The most interesting compounds detected from an antioxidant capacity point of view were esters, phenols, and aromatics compounds. All samples were discriminated by principal component analysis. The insolation and altitude of harvest areas, and latent structures were considered for interpretation of results. Discriminant analysis was applied to control the type and concentration of metabolites and determine the best plant antioxidant profiles of volatile compounds from plant origin. Moreover, a heatmap displayed correlations between detected compounds. The discriminant analysis led to 20 quality markers being identified for the analysed plants. The strongest antioxidant capacity was obtained in the samples from Pina de Montalgrao and Loarre (collected in September) for ORAC (33.11 ± 0.61 g Trolox/g sample) and DPPH (IC50 = 711 ± 12 µg/g) methods, respectively. The plant with the highest total phenolic content was Loarre collected in September (171.9 ± 19.4 mg GAE/g DW) and November (177.1 ± 11.0 mg GAE/g DW). info:eu-repo/semantics/openAccess by http://creativecommons.org/licenses/by/3.0/es/ 2.6 2022 CHEMISTRY, ANALYTICAL 48 / 86 = 0.558 2022 Q3 T2 0.371 2022 Filtration and Separation 2022 Q3 Analytical Chemistry 2022 Q3 2.5 2022 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Pezo, Davinson Rovito, Maria Anna Vera, Paula Universidad de Zaragoza (orcid)0000-0002-8765-4319 Nerín, Cristina Universidad de Zaragoza (orcid)0000-0003-2685-5739 Asensio, Esther Universidad de Zaragoza (orcid)0000-0001-8822-7303 2009 750 Universidad de Zaragoza Dpto. Química Analítica Área Química Analítica 9, 68 (2022), 24 Separations 2297-8739 8490974 http://zaguan.unizar.es/record/111697/files/texto_completo.pdf Versión publicada 2760746 http://zaguan.unizar.es/record/111697/files/texto_completo.jpg?subformat=icon icon Versión publicada oai:zaguan.unizar.es:111697 articulos driver 2024-03-18-14:04:33 ARTICLE