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Open AccessArticle

Key Aroma Compounds in Two Bavarian Gins

Department of Sensory Analytics, Fraunhofer Institute for Process Engineering and Packaging IVV, Giggenhauser Straße 35, 85354 Freising, Germany
Department of Chemistry and Pharmacy, Chair of Aroma and Smell Research, Friedrich-Alexander-Universität Erlangen-Nürnberg, Henkestraße 9, 91054 Erlangen, Germany
Author to whom correspondence should be addressed.
Appl. Sci. 2020, 10(20), 7269;
Received: 4 September 2020 / Revised: 13 October 2020 / Accepted: 13 October 2020 / Published: 17 October 2020
(This article belongs to the Special Issue Advances in Food Flavor Analysis)
The characteristic, dominant flavor of gin is juniper, often within a complex aroma of other botanicals. The present study examined two gins from a distillery in the German state of Bavaria; one produced with 50 individual botanicals, the other with 15. The study focused on characterizing the aroma profiles and identifying the key aroma-active compounds of the gins. Comparative sensory evaluations of the gins revealed marked differences in their aroma profiles, with the botanical-rich gin exhibiting more citrusy, orangey and fruity notes than the gin containing fewer botanicals. Instrumental analyses by gas chromatography-mass spectrometry/olfactometry (GC-MS/O) using aroma extract dilution assays (AEDA) identified terpenes as the dominant key aroma compounds, specifically limonene, 1,8-cineole, linalool, estragole and trans-anethole, with additional contributions from aldehydes, such as nonanal, and phenylpropanoids, such as eugenol and estragole. Selected compounds were quantified using stir-bar sorptive extraction (SBSE) and stabile isotope dilution analysis (SIDA) with GC-MS analysis. Further, odor thresholds and corresponding odor activity values (OAVs) of these compounds were calculated, with linalool exhibiting the highest OAV in both gins. The present analyses revealed how different botanicals alter the concentrations of key aroma compound constituents and elicit a shift in the overall aroma profile of the final spirit. View Full-Text
Keywords: aroma; botanicals; gas chromatography-olfactometry (GC-O); gin; juniper; odor activity value aroma; botanicals; gas chromatography-olfactometry (GC-O); gin; juniper; odor activity value
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MDPI and ACS Style

Buck, N.; Goblirsch, T.; Beauchamp, J.; Ortner, E. Key Aroma Compounds in Two Bavarian Gins. Appl. Sci. 2020, 10, 7269.

AMA Style

Buck N, Goblirsch T, Beauchamp J, Ortner E. Key Aroma Compounds in Two Bavarian Gins. Applied Sciences. 2020; 10(20):7269.

Chicago/Turabian Style

Buck, Nina; Goblirsch, Tina; Beauchamp, Jonathan; Ortner, Eva. 2020. "Key Aroma Compounds in Two Bavarian Gins" Appl. Sci. 10, no. 20: 7269.

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