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Differentiation of several geographical origins in single-strength Valencia orange juices using quantitative comparison of carotenoid profiles.

Identifieur interne : 000009 ( Ncbi/Checkpoint ); précédent : 000008; suivant : 000010

Differentiation of several geographical origins in single-strength Valencia orange juices using quantitative comparison of carotenoid profiles.

Auteurs : P P Mouly [France] ; E M Gaydou ; L. Lapierre ; J. Corsetti

Source :

RBID : pubmed:10552762

Descripteurs français

English descriptors

Abstract

Pure Valencia orange (Citrus sinensis) juices (64 samples) from Spain, Israel, Belize, Cuba, and Florida, harvested during two seasons (1996-1997 and 1997-1998), were analyzed for their carotenoid profiles. The detection of saponified carotenoid pigments has been achieved and quantitated using a photodiode array detection monitored at 350, 430, and 486 nm. Carotenoid pigments commonly found in the orange variety Valencia have been separated on a polymeric C-30 column using a ternary gradient as eluent. Pure Valencia juices from oranges grown in Mediterranean regions (Israel and Spain) have a high carotenoid content, expressed in beta-carotene (5-18 and 14-35 mg L(-)(1), respectively), compared to those grown in tropical and subtropical regions (Cuba, Belize, and Florida) (4-10, 2-8, and 5-10 mg L(-)(1), respectively). Quantitative results allowed the differentiation of Valencia variety geographical origins, in particular, the Mediterranean area from tropical and subtropical areas, using multidimensional analyses of carotenoid contents.

PubMed: 10552762


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pubmed:10552762

Le document en format XML

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<nlm:affiliation>Centre de Recherche et de Valorisation des Produits de la Consommation, Parc Club des Aygalades, Bat. A7, Z.I.N. 1207, 35 Boulevard du Capitaine Gèze, 13333 Marseille Cedex 14, France. pierre.mouly@vnumail.com</nlm:affiliation>
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<term>Citrus (chemistry)</term>
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<term>Cuba</term>
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<div type="abstract" xml:lang="en">Pure Valencia orange (Citrus sinensis) juices (64 samples) from Spain, Israel, Belize, Cuba, and Florida, harvested during two seasons (1996-1997 and 1997-1998), were analyzed for their carotenoid profiles. The detection of saponified carotenoid pigments has been achieved and quantitated using a photodiode array detection monitored at 350, 430, and 486 nm. Carotenoid pigments commonly found in the orange variety Valencia have been separated on a polymeric C-30 column using a ternary gradient as eluent. Pure Valencia juices from oranges grown in Mediterranean regions (Israel and Spain) have a high carotenoid content, expressed in beta-carotene (5-18 and 14-35 mg L(-)(1), respectively), compared to those grown in tropical and subtropical regions (Cuba, Belize, and Florida) (4-10, 2-8, and 5-10 mg L(-)(1), respectively). Quantitative results allowed the differentiation of Valencia variety geographical origins, in particular, the Mediterranean area from tropical and subtropical areas, using multidimensional analyses of carotenoid contents.</div>
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