Study of the influence of alcoholic fermentation and distillation on the oxygen-18/oxygen-16 isotope ratio of ethanol.
Identifieur interne : 000163 ( France/Analysis ); précédent : 000162; suivant : 000164Study of the influence of alcoholic fermentation and distillation on the oxygen-18/oxygen-16 isotope ratio of ethanol.
Auteurs : Claudia Monsallier-Bitea [France] ; Eric Jamin ; Michèle Lees ; Ben-Li Zhang ; Gérard J. MartinSource :
- Journal of agricultural and food chemistry [ 0021-8561 ] ; 2006.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Oxygen, Oxygen Isotopes.
- chemical , chemistry : Ethanol.
- chemical , metabolism : Alcohols.
- chemistry : Citrus sinensis, Fruit.
- Beverages, Carbohydrate Metabolism, Chemical Fractionation, Fermentation, Mass Spectrometry.
Abstract
A laboratory procedure for the analysis of the oxygen-18/oxygen-16 isotope ratios of ethanol derived from sugars and fruit juices by pyrolysis-isotope ratio mass spectrometry (IRMS) has been applied to the study of isotopic fractionation induced by the isotope effects of fermentation and distillation. For both processes, an experimental model has been established to describe and explain the observed fractionation phenomena. It is shown that reproducible results can be obtained when appropriate analytical conditions are used. Moreover, the ability of ethanol to act as a reliable indicator of the (18)O/(16)O ratio of sugars in orange juice (and therefore to be used as an internal reference for detecting water addition) is demonstrated both in theory and in practice.
DOI: 10.1021/jf0516686
PubMed: 16417280
Affiliations:
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pubmed:16417280Le document en format XML
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Martin</name></author></analytic><series><title level="j">Journal of agricultural and food chemistry</title><idno type="ISSN">0021-8561</idno><imprint><date when="2006" type="published">2006</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Alcohols (metabolism)</term><term>Beverages</term><term>Carbohydrate Metabolism</term><term>Chemical Fractionation</term><term>Citrus sinensis (chemistry)</term><term>Ethanol (chemistry)</term><term>Fermentation</term><term>Fruit (chemistry)</term><term>Mass Spectrometry</term><term>Oxygen (analysis)</term><term>Oxygen Isotopes (analysis)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Oxygen</term><term>Oxygen Isotopes</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Ethanol</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Alcohols</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Citrus sinensis</term><term>Fruit</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Beverages</term><term>Carbohydrate Metabolism</term><term>Chemical Fractionation</term><term>Fermentation</term><term>Mass Spectrometry</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">A laboratory procedure for the analysis of the oxygen-18/oxygen-16 isotope ratios of ethanol derived from sugars and fruit juices by pyrolysis-isotope ratio mass spectrometry (IRMS) has been applied to the study of isotopic fractionation induced by the isotope effects of fermentation and distillation. For both processes, an experimental model has been established to describe and explain the observed fractionation phenomena. It is shown that reproducible results can be obtained when appropriate analytical conditions are used. Moreover, the ability of ethanol to act as a reliable indicator of the (18)O/(16)O ratio of sugars in orange juice (and therefore to be used as an internal reference for detecting water addition) is demonstrated both in theory and in practice.</div></front></TEI><affiliations><list><country><li>France</li></country><region><li>Pays de la Loire</li></region><settlement><li>Nantes</li></settlement></list><tree><noCountry><name sortKey="Jamin, Eric" sort="Jamin, Eric" uniqKey="Jamin E" first="Eric" last="Jamin">Eric Jamin</name><name sortKey="Lees, Michele" sort="Lees, Michele" uniqKey="Lees M" first="Michèle" last="Lees">Michèle Lees</name><name sortKey="Martin, Gerard J" sort="Martin, Gerard J" uniqKey="Martin G" first="Gérard J" last="Martin">Gérard J. Martin</name><name sortKey="Zhang, Ben Li" sort="Zhang, Ben Li" uniqKey="Zhang B" first="Ben-Li" last="Zhang">Ben-Li Zhang</name></noCountry><country name="France"><region name="Pays de la Loire"><name sortKey="Monsallier Bitea, Claudia" sort="Monsallier Bitea, Claudia" uniqKey="Monsallier Bitea C" first="Claudia" last="Monsallier-Bitea">Claudia Monsallier-Bitea</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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