OrangerV1, Main, Exploration, bibRecord, 002669

Citrus paradisi and Citrus sinensis flavonoids : Their influence in the defence mechanism against Penicillium digitatum

Identifieur interne : 002669 ( Main/Exploration ); précédent : 002668; suivant : 002670

Citrus paradisi and Citrus sinensis flavonoids : Their influence in the defence mechanism against Penicillium digitatum

Auteurs : A. Ortuno [Espagne] ; A. Baidez [Espagne] ; P. Gomez [Espagne] ; M. C. Arcas [Espagne] ; I. Porras [Espagne] ; A. Garcia-Lidon [Espagne] ; J. A. Del Rio [Espagne]

Source :

Food chemistry [ 0308-8146 ] ; 2006.

RBID : Pascal:06-0187364

Descripteurs français

Pascal (Inist)
- Citrus paradisi, Flavonoïde, Mécanisme, Citrus sinensis, Penicillium digitatum, Orange, Pomélo.

English descriptors

KwdEn :
- Citrus paradisi, Citrus sinensis, Flavonoid, Grapefruit, Mechanism, Orange, Penicillium digitatum.

Abstract

Citrus peel is rich in flavanone glycosides and polymethoxyflavones. In view of their importance for industrial application as well as for their pharmacological properties, their content was analyzed in the mature fruits of several Citrus paradisi (grapefruit) and Citrus sinensis (orange) varieties, with a view to select the most interesting for isolation. The results shows that the Star Ruby grapefruit and the Sanguinelli orange stand out for their high contents of naringin and hesperidin, respectively. The presence of the polymethoxyflavones nobiletin, heptamethoxyflavone and tangeretin, could be ascertained in all the grapefruit varieties analysed. Higher polymethoxyflavone levels were recorded in orange, with Valencia Late showing the greatest nobiletin, sinensetin and tangeretin contents and Navelate the highest heptamethoxyflavone levels. An in vitro study revealed that these compounds acted as antifungal agents against Penicillium digitatum, the polymethoxyflavones being more active than the flavanones in this respect. The possible participation of these phenolic compounds in the defence mechanism of Citrus against P. digitatum is discussed.

Affiliations:

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Le document en format XML

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<front><div type="abstract" xml:lang="en">Citrus peel is rich in flavanone glycosides and polymethoxyflavones. In view of their importance for industrial application as well as for their pharmacological properties, their content was analyzed in the mature fruits of several Citrus paradisi (grapefruit) and Citrus sinensis (orange) varieties, with a view to select the most interesting for isolation. The results shows that the Star Ruby grapefruit and the Sanguinelli orange stand out for their high contents of naringin and hesperidin, respectively. The presence of the polymethoxyflavones nobiletin, heptamethoxyflavone and tangeretin, could be ascertained in all the grapefruit varieties analysed. Higher polymethoxyflavone levels were recorded in orange, with Valencia Late showing the greatest nobiletin, sinensetin and tangeretin contents and Navelate the highest heptamethoxyflavone levels. An in vitro study revealed that these compounds acted as antifungal agents against Penicillium digitatum, the polymethoxyflavones being more active than the flavanones in this respect. The possible participation of these phenolic compounds in the defence mechanism of Citrus against P. digitatum is discussed.</div>
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<name sortKey="Del Rio, J A" sort="Del Rio, J A" uniqKey="Del Rio J" first="J. A." last="Del Rio">J. A. Del Rio</name>
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<name sortKey="Gomez, P" sort="Gomez, P" uniqKey="Gomez P" first="P." last="Gomez">P. Gomez</name>
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Citrus paradisi and Citrus sinensis flavonoids : Their influence in the defence mechanism against Penicillium digitatum

Citrus paradisi and Citrus sinensis flavonoids : Their influence in the defence mechanism against Penicillium digitatum

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri