Carbon isotope ratios of selected volatiles in Citrus sinensis and in orange-flavoured food.
Identifieur interne : 000760 ( Main/Exploration ); précédent : 000759; suivant : 000761Carbon isotope ratios of selected volatiles in Citrus sinensis and in orange-flavoured food.
Auteurs : Luisa Schipilliti [Italie] ; Ivana Bonaccorsi [Italie] ; Antonella Cotroneo [Italie] ; Paola Dugo [Italie] ; Luigi Mondello [Italie]Source :
- Journal of the science of food and agriculture [ 1097-0010 ] ; 2015.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Carbon, Carbon Isotopes, Flavoring Agents, Plant Oils.
- chemistry : Citrus sinensis, Fruit, Oils, Volatile, Plant Extracts.
- Commerce, Gas Chromatography-Mass Spectrometry, Humans, Taste.
Abstract
Twenty genuine samples of industrially cold-pressed sweet orange essential oils, were analysed by gas chromatography-combustion-isotope ratio mass spectrometry to determine the values of the carbon isotope ratios (δ(13)C(VPDB)) of selected volatiles and assess the corresponding range of authenticity. Successively, four commercial orange-flavoured products were analysed under identical conditions to evaluate the authenticity of the orange flavour. The samples were extracted by solid-phase microextraction under optimised conditions. The evaluation was performed by using an internal standard procedure to neglect the contribution due to the original environment to the isotopic abundance of (13)C. The composition of the volatile fraction of the essential oils and of the flavoured products was determined by gas chromatography coupled to mass spectrometry with linear retention indices, and by gas chromatography with a flame ionisation detector.
DOI: 10.1002/jsfa.7037
PubMed: 25475589
Affiliations:
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Le document en format XML
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wicri:level="1"><nlm:affiliation>Dipartimento di Scienze del Farmaco e dei Prodotti per la Salute, University of Messina, 98168, Messina, Italy.</nlm:affiliation><country xml:lang="fr">Italie</country><wicri:regionArea>Dipartimento di Scienze del Farmaco e dei Prodotti per la Salute, University of Messina, 98168, Messina</wicri:regionArea><wicri:noRegion>Messina</wicri:noRegion></affiliation></author><author><name sortKey="Bonaccorsi, Ivana" sort="Bonaccorsi, Ivana" uniqKey="Bonaccorsi I" first="Ivana" last="Bonaccorsi">Ivana Bonaccorsi</name><affiliation wicri:level="1"><nlm:affiliation>Dipartimento di Scienze del Farmaco e dei Prodotti per la Salute, University of Messina, 98168, Messina, Italy.</nlm:affiliation><country xml:lang="fr">Italie</country><wicri:regionArea>Dipartimento di Scienze del Farmaco e dei Prodotti per la Salute, University of Messina, 98168, Messina</wicri:regionArea><wicri:noRegion>Messina</wicri:noRegion></affiliation></author><author><name sortKey="Cotroneo, Antonella" sort="Cotroneo, Antonella" uniqKey="Cotroneo A" first="Antonella" last="Cotroneo">Antonella Cotroneo</name><affiliation wicri:level="1"><nlm:affiliation>Dipartimento di Scienze del Farmaco e dei Prodotti per la Salute, University of Messina, 98168, Messina, Italy.</nlm:affiliation><country xml:lang="fr">Italie</country><wicri:regionArea>Dipartimento di Scienze del Farmaco e dei Prodotti per la Salute, University of Messina, 98168, Messina</wicri:regionArea><wicri:noRegion>Messina</wicri:noRegion></affiliation></author><author><name sortKey="Dugo, Paola" sort="Dugo, Paola" uniqKey="Dugo P" first="Paola" last="Dugo">Paola Dugo</name><affiliation wicri:level="1"><nlm:affiliation>Dipartimento di Scienze del Farmaco e dei Prodotti per la Salute, University of Messina, 98168, Messina, Italy.</nlm:affiliation><country xml:lang="fr">Italie</country><wicri:regionArea>Dipartimento di Scienze del Farmaco e dei Prodotti per la Salute, University of Messina, 98168, 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(analysis)</term><term>Citrus sinensis (chemistry)</term><term>Commerce</term><term>Flavoring Agents (analysis)</term><term>Fruit (chemistry)</term><term>Gas Chromatography-Mass Spectrometry</term><term>Humans</term><term>Oils, Volatile (chemistry)</term><term>Plant Extracts (chemistry)</term><term>Plant Oils (analysis)</term><term>Taste</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Carbon</term><term>Carbon Isotopes</term><term>Flavoring Agents</term><term>Plant Oils</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Citrus sinensis</term><term>Fruit</term><term>Oils, Volatile</term><term>Plant Extracts</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Commerce</term><term>Gas Chromatography-Mass Spectrometry</term><term>Humans</term><term>Taste</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Twenty genuine samples of industrially cold-pressed sweet orange essential oils, were analysed by gas chromatography-combustion-isotope ratio mass spectrometry to determine the values of the carbon isotope ratios (δ(13)C(VPDB)) of selected volatiles and assess the corresponding range of authenticity. Successively, four commercial orange-flavoured products were analysed under identical conditions to evaluate the authenticity of the orange flavour. The samples were extracted by solid-phase microextraction under optimised conditions. The evaluation was performed by using an internal standard procedure to neglect the contribution due to the original environment to the isotopic abundance of (13)C. The composition of the volatile fraction of the essential oils and of the flavoured products was determined by gas chromatography coupled to mass spectrometry with linear retention indices, and by gas chromatography with a flame ionisation detector.</div></front></TEI><affiliations><list><country><li>Italie</li></country></list><tree><country name="Italie"><noRegion><name sortKey="Schipilliti, Luisa" sort="Schipilliti, Luisa" uniqKey="Schipilliti L" first="Luisa" last="Schipilliti">Luisa Schipilliti</name></noRegion><name sortKey="Bonaccorsi, Ivana" sort="Bonaccorsi, Ivana" uniqKey="Bonaccorsi I" first="Ivana" last="Bonaccorsi">Ivana Bonaccorsi</name><name sortKey="Cotroneo, Antonella" sort="Cotroneo, Antonella" uniqKey="Cotroneo A" first="Antonella" last="Cotroneo">Antonella Cotroneo</name><name sortKey="Dugo, Paola" sort="Dugo, Paola" uniqKey="Dugo P" first="Paola" last="Dugo">Paola Dugo</name><name sortKey="Mondello, Luigi" sort="Mondello, Luigi" uniqKey="Mondello L" first="Luigi" last="Mondello">Luigi Mondello</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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