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Isolation and identification of phenolic compounds in Citrus sinensis

Identifieur interne : 003207 ( Main/Merge ); précédent : 003206; suivant : 003208

Isolation and identification of phenolic compounds in Citrus sinensis

Auteurs : P. Swatsitang [Royaume-Uni] ; G. Tucker [Royaume-Uni] ; K. Robards [Australie] ; D. Jardine [Australie]

Source :

Analytica chimica acta [ 0003-2670 ] ; 2000.

RBID : Pascal:00-0388402

Descripteurs français

Pascal (Inist)
- Analyse chimique, Analyse multiélément, Analyse quantitative, Phénols, Jus d'orange, Citrus sinensis, Méthode couplée, Chromatographie phase inverse, Chromatographie phase liquide, Spectrométrie masse, Ionisation chimique, Pression atmosphérique, Electrospray, Préparation échantillon, Traitement chimique, Hydrolyse, Solution basique, Contrôle qualité, Industrie boisson, Phénol dérivé.
Wicri :
- topic : Analyse quantitative.

English descriptors

KwdEn :
- Atmospheric pressure, Basic solution, Beverage industry, Chemical analysis, Chemical ionization, Chemical treatment, Citrus sinensis, Coupled method, Electrospray, Hydrolysis, Liquid chromatography, Mass spectrometry, Multicomponent analysis, Orange juice, Phenols, Quality control, Quantitative analysis, Reversed phase chromatography, Sample preparation.

Abstract

Various methods were compared for the recovery of phenolic compounds from sweet orange. The need for careful consideration of sample preparation was demonstrated. In the case of cinnamic acids, hydroxide-treatment was essential to liberate the bound acids. Ferulic acid was the predominant phenol in alkali-treated extracts. Positive and negative ion electrospray ionisation mass spectra were systematically investigated for a range of phenols. Detection limits were significantly lower in negative ion than in positive ion mode. However, positive ion mode provided additional structural information for many of the compounds.

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Pascal:00-0388402

Le document en format XML

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<term>Coupled method</term>
<term>Electrospray</term>
<term>Hydrolysis</term>
<term>Liquid chromatography</term>
<term>Mass spectrometry</term>
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<term>Analyse multiélément</term>
<term>Analyse quantitative</term>
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<term>Citrus sinensis</term>
<term>Méthode couplée</term>
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<front><div type="abstract" xml:lang="en">Various methods were compared for the recovery of phenolic compounds from sweet orange. The need for careful consideration of sample preparation was demonstrated. In the case of cinnamic acids, hydroxide-treatment was essential to liberate the bound acids. Ferulic acid was the predominant phenol in alkali-treated extracts. Positive and negative ion electrospray ionisation mass spectra were systematically investigated for a range of phenols. Detection limits were significantly lower in negative ion than in positive ion mode. However, positive ion mode provided additional structural information for many of the compounds.</div>
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Isolation and identification of phenolic compounds in Citrus sinensis

Isolation and identification of phenolic compounds in Citrus sinensis

Source :

Descripteurs français

English descriptors

Abstract

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

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri