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International Journal of Food Properties Volume 20, 2017 - Issue 11
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Articles

Volatile fraction of commercial thyme honeys produced in Mediterranean regions and key volatile compounds for geographical discrimination: A chemometric approach

Ioannis K. KarabagiasLaboratory of Food Chemistry, Department of Chemistry, University of Ioannina, Ioannina, GreeceCorrespondence[email protected]
ORCID Iconhttp://orcid.org/0000-0002-3488-2684
ORCID Icon,
Evangelia Z. HalatsiLaboratory of Food Chemistry, Department of Chemistry, University of Ioannina, Ioannina, Greece
,
Stavros KontakosDepartment of Social Administration and Political Science, Democritus University of Thrace, Komotini, Greece
,
Sofia KarabourniotiAttiki Honey S.A., Kryoneri Attikis, Greece
&
Michael G. KontominasLaboratory of Food Chemistry, Department of Chemistry, University of Ioannina, Ioannina, Greece
Pages 2699-2710 | Received 08 Jul 2016, Accepted 10 Oct 2016, Published online: 16 Mar 2017

Figures & data

Table 1. Volatile compounds (μg/g) of commercial thyme honeys produced in Mediterranean countries.

Table 2. Total volatile compounds (μg/g) of commercial thyme honeys according to geographical origin.

Figure 1. A typical gas chromatogram of thyme honey (no.2) from Egypt. Key volatile compounds of geographical origin are numbered (1-7) and indicated in bold. Th1: Thymoquinone, Th2: Thymol. IS: internal standard.

Figure 1. A typical gas chromatogram of thyme honey (no.2) from Egypt. Key volatile compounds of geographical origin are numbered (1-7) and indicated in bold. Th1: Thymoquinone, Th2: Thymol. IS: internal standard.

Figure 2. A typical gas chromatogram of thyme honey (no.1) from Morocco. Key volatile compounds of geographical origin are numbered (8-12) and indicated in bold. IS: internal standard.

Figure 2. A typical gas chromatogram of thyme honey (no.1) from Morocco. Key volatile compounds of geographical origin are numbered (8-12) and indicated in bold. IS: internal standard.

Figure 3. A typical gas chromatogram of thyme honey (no.3) from Spain. Key volatile compounds of geographical origin are numbered (13-14) and indicated in bold. IS: internal standard.

Figure 3. A typical gas chromatogram of thyme honey (no.3) from Spain. Key volatile compounds of geographical origin are numbered (13-14) and indicated in bold. IS: internal standard.

Figure 4. A typical gas chromatogram of thyme honey (no.2) from Greece. Key volatile compounds of geographical origin are numbered (15-17) and indicated in bold. IS: internal standard.

Figure 4. A typical gas chromatogram of thyme honey (no.2) from Greece. Key volatile compounds of geographical origin are numbered (15-17) and indicated in bold. IS: internal standard.

Figure 5. Geographical discrimination of commercial thyme honeys produced in Mediterranean countries based on 17 key volatile compounds.

Figure 5. Geographical discrimination of commercial thyme honeys produced in Mediterranean countries based on 17 key volatile compounds.

Table 3. Volatile compounds of commercial thyme honeys produced in Mediterranean countries, serving as key markers of geographical origin.

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Related Research Data

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