Rapid differentiation of commercial juices and blends by using sugar profiles obtained by capillary zone electrophoresis with indirect UV detection.
Identifieur interne : 000473 ( Main/Exploration ); précédent : 000472; suivant : 000474Rapid differentiation of commercial juices and blends by using sugar profiles obtained by capillary zone electrophoresis with indirect UV detection.
Auteurs : María Navarro-Pascual-Ahuir [Espagne] ; María Jesús Lerma-García [Espagne] ; Ernesto F. Sim Alfonso [Espagne] ; José Manuel Herrero-Martínez [Espagne]Source :
- Journal of agricultural and food chemistry [ 1520-5118 ] ; 2015.
English descriptors
- KwdEn :
- Ananas (chemistry), Beverages (analysis), Beverages (economics), Carbohydrates (analysis), Citrus sinensis (chemistry), Electrophoresis, Capillary (instrumentation), Electrophoresis, Capillary (methods), Food Contamination (analysis), Food Contamination (economics), Quality Control, Vitis (chemistry).
- MESH :
- chemical , analysis : Carbohydrates.
- analysis : Beverages, Food Contamination.
- chemistry : Ananas, Citrus sinensis, Vitis.
- economics : Beverages, Food Contamination.
- instrumentation : Electrophoresis, Capillary.
- methods : Electrophoresis, Capillary.
- Quality Control.
Abstract
A method for the determination of sugars in several fruit juices and nectars by capillary zone electrophoresis with indirect UV-vis detection has been developed. Under optimal conditions, commercial fruit juices and nectars from several fruits were analyzed, and the sugar and cyclamate contents were quantified in less than 6 min. A study for the detection of blends of high-value juices (orange and pineapple) with cheaper alternatives was also developed. For this purpose, different chemometric techniques, based on sugar content ratios, were applied. Linear discriminant analysis showed that fruit juices can be distinguished according to the fruit type, juice blends also being differentiated. Multiple linear regression models were also constructed to predict the adulteration of orange and pineapple juices with grape juice. This simple and reliable methodology provides a rapid analysis of fruit juices of economic importance, which is relevant for quality control purposes in food industries and regulatory agencies.
DOI: 10.1021/acs.jafc.5b00122
PubMed: 25719749
Affiliations:
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Le document en format XML
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Sim Alfonso</name><affiliation wicri:level="1"><nlm:affiliation>Department of Analytical Chemistry, University of Valencia, C/ Dr. Moliner Moliner 50, E-46100 Burjassot, Valencia, Spain.</nlm:affiliation><country xml:lang="fr">Espagne</country><wicri:regionArea>Department of Analytical Chemistry, University of Valencia, C/ Dr. Moliner Moliner 50, E-46100 Burjassot, Valencia</wicri:regionArea><wicri:noRegion>Valencia</wicri:noRegion></affiliation></author><author><name sortKey="Herrero Martinez, Jose Manuel" sort="Herrero Martinez, Jose Manuel" uniqKey="Herrero Martinez J" first="José Manuel" last="Herrero-Martínez">José Manuel Herrero-Martínez</name><affiliation wicri:level="1"><nlm:affiliation>Department of Analytical Chemistry, University of Valencia, C/ Dr. Moliner Moliner 50, E-46100 Burjassot, Valencia, Spain.</nlm:affiliation><country xml:lang="fr">Espagne</country><wicri:regionArea>Department of Analytical Chemistry, University of Valencia, C/ Dr. Moliner Moliner 50, E-46100 Burjassot, Valencia</wicri:regionArea><wicri:noRegion>Valencia</wicri:noRegion></affiliation></author></analytic><series><title level="j">Journal of agricultural and food chemistry</title><idno type="eISSN">1520-5118</idno><imprint><date when="2015" type="published">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Ananas (chemistry)</term><term>Beverages (analysis)</term><term>Beverages (economics)</term><term>Carbohydrates (analysis)</term><term>Citrus sinensis (chemistry)</term><term>Electrophoresis, Capillary (instrumentation)</term><term>Electrophoresis, Capillary (methods)</term><term>Food Contamination (analysis)</term><term>Food Contamination (economics)</term><term>Quality Control</term><term>Vitis (chemistry)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Carbohydrates</term></keywords><keywords scheme="MESH" qualifier="analysis" xml:lang="en"><term>Beverages</term><term>Food Contamination</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Ananas</term><term>Citrus sinensis</term><term>Vitis</term></keywords><keywords scheme="MESH" qualifier="economics" xml:lang="en"><term>Beverages</term><term>Food Contamination</term></keywords><keywords scheme="MESH" qualifier="instrumentation" xml:lang="en"><term>Electrophoresis, Capillary</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Electrophoresis, Capillary</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Quality Control</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">A method for the determination of sugars in several fruit juices and nectars by capillary zone electrophoresis with indirect UV-vis detection has been developed. 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