Volatile compounds in dry dog foods and their influence on sensory aromatic profile

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dc.contributor.author Koppel, Kadri
dc.contributor.author Adhikari, Koushik
dc.contributor.author Di Donfrancesco, Brizio
dc.date.accessioned 2013-03-21T13:54:01Z
dc.date.available 2013-03-21T13:54:01Z
dc.date.issued 2013-03-21
dc.identifier.uri http://hdl.handle.net/2097/15391
dc.description.abstract The aim of this study was to determine volatile compounds in dry dog foods and their possible influence on sensory aromatic profile. Grain-free dry dog foods were compared to dry dog foods manufactured with grain, but also with different protein sources for their aromatic volatiles. Solid-phase microextraction/gas chromatography/mass spectrometry was used to determine the aromatic compounds present in the headspace of these samples. Partial Least Squares regression was performed to correlate the instrumental aromatic data with the descriptive aroma analysis data. A total of 54 aromatic compounds were tentatively identified in the dry dog food samples, with aldehydes and ketones being the most represented organic volatiles group. Grain-added products were on the average higher in total volatiles than grain-free products. Partial Least Squares regression analysis indicated possible connections with sensory aromatic profile and grain-added samples, such as rancid aroma and aldehydes, especially hexanal. The results of this study showed that dry dog foods are products with complex odor characteristics and that grain-free products are less aromatic. en_US
dc.language.iso en_US en_US
dc.relation.uri http://www.mdpi.com/1420-3049/18/3/2646 en_US
dc.subject Descriptive sensory analysis en_US
dc.subject Headspace-solid phase microextraction en_US
dc.subject Dog food en_US
dc.subject Volatile compounds en_US
dc.title Volatile compounds in dry dog foods and their influence on sensory aromatic profile en_US
dc.type Article (publisher version) en_US
dc.date.published 2013 en_US
dc.citation.doi doi:10.3390/molecules18032646 en_US
dc.citation.epage 2662 en_US
dc.citation.issue 3 en_US
dc.citation.jtitle Molecules en_US
dc.citation.spage 2646 en_US
dc.citation.volume 18 en_US
dc.contributor.authoreid kadri en_US
dc.contributor.authoreid koushik en_US

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