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Title

Increasing catechin and procyanindin accumulation in high-CO 2-treated Fragaria vesca strawberries

AuthorsBlanch Rojo, María ; Álvarez Acero, Inmaculada ; Sánchez Ballesta, M. Teresa ; Escribano, M. Isabel ; Merodio, Carmen
Issue Date2012
PublisherAmerican Chemical Society
CitationJournal of Agricultural and Food Chemistry 60: 7489- 7496 (2012)
AbstractThis paper deals with the impact of low temperature and high CO 2 levels on flavonols, proanthocyanidins, and anthocyanins, synthesized via branched pathways from common precursors, in strawberries (Fragaria vesca L.). Flavonoids were identified with Q-TOF equipment and quantified by HPLC-quadrupole. Proanthocyanins B1 and B3 accumulated in CO 2-treated strawberries, whereas in untreated (air) fruit, flavonoid production was redirected toward anthocyanin accumulation with a sharp decrease in catechin and procyanidin B3 levels. Moreover, in CO 2-treated fruit, mainly in those with 20% CO 2, anthocyanin accumulation did not decline. Due to its antifungal activity, catechin induction in CO 2-treated strawberries could explain the capacity of high CO 2 treatments to reduce fungal decay. Ascorbic acid content increased in 40% CO 2-treated fruits, whereas in those treated with 20% CO 2 an increase in flavonol content was observed. Despite these differences, similar antioxidant capacities were found in untreated and CO 2-treated Mara de Bois strawberries. © 2012 American Chemical Society.
URIhttp://hdl.handle.net/10261/62951
DOI10.1021/jf301547t
Identifiersdoi: 10.1021/jf301547t
issn: 0021-8561
Appears in Collections:(ICTAN) Artículos
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