2024-03-28T23:32:40Zhttps://gredos.usal.es/oai/requestoai:gredos.usal.es:10366/1411332022-02-07T15:42:22Zcom_10366_137251com_10366_4512com_10366_3823col_10366_137252
Gestión del Repositorio Documental de la Universidad de Salamanca
author
González Paramás, Ana María
author
Lopes da Silva, Fátima
author
Martín-López, Pilar
author
Macz-Pop, Glenda
author
González Manzano, Susana
author
Alcalde Eon, Cristina
author
Pérez-Alonso, José Joaquín
author
Escribano Bailón, María Teresa
author
Rivas Gonzalo, Julián C.
author
Santos Buelga, Celestino
2020-02-25T12:53:08Z
2020-02-25T12:53:08Z
2006
0308-8146
http://hdl.handle.net/10366/141133
doi:10.1016/j.foodchem.2004.11.037
[EN] Pigments resulting from the direct condensation of anthocyanins and flavanols are usually associated with reactions taking place during processing and storage of plant-derived foods and beverages and have been particularly studied in aged red wines. In this paper, small amounts of flavanol–anthocyanin condensed pigments are found in different plant extracts. Structures are suggested for 10 such condensed pigments detected in extracts of strawberry, runner beans, purple corn and grape skins, based on their MSn fragmentation patterns, following analyses by electrospray tandem mass spectrometry. All of them correspond to dimers containing a flavan-3-ol [either (epi)afzelechin, (epi)catechin or (epi)gallocatechin] as the upper unit carbon–carbon linked to a lower anthocyanin unit consisting of different delphinidin, cyanidin, pelargonidin, peonidin or malvidin derivatives. The detection of these pigments in plant extracts may suggest that they are natural pigments and not products exclusively formed during storage and ageing of processed foods and beverages, as was previously assumed.
eng
Attribution-NonCommercial-NoDerivatives 4.0 Internacional
Flavanol–anthocyanin
Condensed pigments
Strawberry
Runner bean
Purple corn
Grape skin
Flavanol–anthocyanin condensed pigments in plant extracts
info:eu-repo/semantics/article
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URL
https://gredos.usal.es/bitstream/10366/141133/1/Gonz%c3%a1lez-Param%c3%a1s2006.pdf
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González-Paramás2006.pdf
URL
https://gredos.usal.es/bitstream/10366/141133/4/Gonz%c3%a1lez-Param%c3%a1s2006.pdf.txt
File
MD5
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González-Paramás2006.pdf.txt