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Title

Comparative analysis of the volatile fraction of fruit juice from different citrus species

AuthorsGonzález-Mas, M. Carmen; Rambla, José Luis ; Alamar, M. Carmen; Gutiérrez, Abelardo; Granell, Antonio
KeywordsSolid-phase microextraction
Flavor reconstitution experiments
Gas-chromatography-olfactometry
Squeezed orange juice
Issue Date19-Jul-2011
PublisherPublic Library of Science
CitationPlos One 6(7): e22016 (2011)
AbstractThe volatile composition of fruit from four Citrus varieties (Powell Navel orange, Clemenules mandarine, and Fortune mandarine and Chandler pummelo) covering four different species has been studied. Over one hundred compounds were profiled after HS-SPME-GC-MS analysis, including 27 esters, 23 aldehydes, 21 alcohols, 13 monoterpene hydrocarbons, 10 ketones, 5 sesquiterpene hydrocarbons, 4 monoterpene cyclic ethers, 4 furans, and 2 aromatic hydrocarbons, which were all confirmed with standards. The differences in the volatile profile among juices of these varieties were essentially quantitative and only a few compounds were found exclusively in a single variety, mainly in Chandler. The volatile profile however was able to differentiate all four varieties and revealed complex interactions between them including the participation in the same biosynthetic pathway. Some compounds (6 esters, 2 ketones, 1 furan and 2 aromatic hydrocarbons) had never been reported earlier in Citrus juices. This volatile profiling platform for Citrus juice by HS-SPME-GC-MS and the interrelationship detected among the volatiles can be used as a roadmap for future breeding or biotechnological applications.
DescriptionThis is an open-access article distributed under the terms of the Creative Commons Attribution License.
Publisher version (URL)http://dx.doi.org/10.1371/journal.pone.0022016
URIhttp://hdl.handle.net/10261/47799
DOI10.1371/journal.pone.0022016
E-ISSN1932-6203
Appears in Collections:(IBMCP) Artículos
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