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Type of publication: research article
Type of publication (PDB): Straipsnis Clarivate Analytics Web of Science / Article in Clarivate Analytics Web of Science (S1)
Field of Science: Chemijos inžinerija / Chemical engineering (T005)
Author(s): Kaškonienė, Vilma;Venskutonis, Petras Rimantas;Čeksterytė, Violeta
Title: Composition of volatile compounds of honey of various floral origin and beebread collected in Lithuania
Is part of: Food chemistry. Oxford : Elsevier Science Ltd, Vol. 111, iss. 4, 2008
Extent: p. 988-997
Date: 2008
Keywords: Honey;Beebread;Volatile compound;SPME-GC/MS
Abstract: Honey is collected from various flowering plants and its composition, particularly volatile flavour compounds to some extent depends on the nectar source. Therefore, some volatile constituents may be indicators of honey origin. In this study the volatile profiles of 15 honey samples of different botanical origin and one beebread sample are characterised. Volatiles were collected by means of SPME and analysed by GC/MS. Botanical source of honey samples was established by the melissopalynological method: 11 of analysed samples were unifloral rape honeys, 1 clover, 1 caraway and 2 polyfloral. In total 93 compounds in honey and 32 in beebread were identified. They involve different classes of chemical compounds, including alcohols, ketones, aldehydes, acids, terpenes, hydrocarbons, benzene, and furan derivatives. Benzaldehyde and benzenacetaldehyde were the only compounds found in all 15 honey sample. Dimethyl sulphide, pentanenitrile, benzylnitrile were identified in 14 honeys; isobutane, octanoic and nonanoic acids in 13 samples; furfural, linalool and nonanal in 12 samples; octanal, lilac aldehyde C, hot-rienol and decanal in 11 samples and finally 2-methylbutanenitrile in 10 honey volatile fractions. Remarkable variations were observed in the composition of volatiles in honey from different sources. In addition, volatile profiles of honey samples were analysed after 3 months of storage and it was found that the amount of headspace volatiles in the majority of samples decreased
Affiliation(s): Kauno technologijos universitetas
Lietuvos žemdirbystės institutas
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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