HPLC-UV-MS profiles of phenolic compounds and antioxidant activity of fruits from three citrus species consumed in Northern Chile

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dc.contributor.authorBrito, Anghel
dc.contributor.authorRamirez, Javier E.
dc.contributor.authorAreche, Carlos
dc.contributor.authorSepúlveda, Beatriz
dc.contributor.authorSimirgiotis, Mario J.
dc.date.accessioned2023-01-03T15:59:40Z
dc.date.available2023-01-03T15:59:40Z
dc.date.issued2014
dc.descriptionIndexación: Scopuses
dc.description.abstractPeels and edible pulp from three species of citrus including Citrus aurantifolia (varieties pica and sutil) and Citrus x lemon var. Genova widely cultivated and consumed in Northern Chile (I and II region) were analyzed for phenolic compounds and antioxidant activity for the first time. A high performance electrospray ionization mass spectrometry (HPLC-UV-ESI-MS) method was developed for the rapid identification of phenolics in extracts from peels and juices of all species. Several flavonoids including one kaempferol-O-hexoside (peak 16) and one hesperidin derivative (peak 22) three quercetin derivatives (peaks 4, 19 and 36), five isorhamnetin derivatives (peaks 5, 23, 24, 26 and 29) four luteolin derivatives (peaks 14, 25, 27 and 40), seven apigenin derivatives (peaks 2, 3, 12, 20, 34, 35 and 39), seven diosmetin derivatives (peaks 7-9, 17, 21, 31 and 37), three chrysoeriol derivatives (peaks 10, 18 and 30), and four eryodictiol derivatives (peaks 6, 13, 15 and 38) were identified in negative and positive mode using full scan mass measurements and MSn fragmentations. Ascorbic acid content was higher in the pulps of the varieties Genova and Sutil (60.13 ± 1.28 and 56.53 ± 1.06 mg ascorbic acid per g dry weight, respectively) while total phenolic content was higher in Pica peels followed by Sutil peels (34.59 ± 0.81 and 25.58 ± 1.02 mg/g GAE dry weight, respectively). The antioxidant capacity was also higher for Pica peels (10.34 ± 1.23 μg/mL in the DPPH assay and 120.63 ± 2.45 μM trolox equivalents/g dry weight in the FRAP assay). The antioxidant features together with the high polyphenolic contents can support at least in part, the usage of the peel extracts as nutraceutical supplements, especially to be used as anti-ageing products. © 2014 by the authors; licensee MDPI.es
dc.description.urihttps://www.mdpi.com/1420-3049/19/11/17400
dc.identifier.doi10.3390/molecules191117400
dc.identifier.issn1420-3049
dc.identifier.urihttps://repositorio.unab.cl/xmlui/handle/ria/35768
dc.language.isoenes
dc.publisherMDPI AGes
dc.rights.licenseAtribución 4.0 Internacional (CC BY 4.0)
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/deed.es
dc.subjectAntioxidantses
dc.subjectChilean specieses
dc.subjectEndemic fruitses
dc.subjectHPLC-MSes
dc.subjectLimón de Picaes
dc.subjectPica lemones
dc.subjectPoliphenolicses
dc.subjectQuantitationes
dc.titleHPLC-UV-MS profiles of phenolic compounds and antioxidant activity of fruits from three citrus species consumed in Northern Chilees
dc.typeArtículoes
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Molecules Volume 19, Issue 11, Pages 17400 - 174211 November 2014
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