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Type: Journal article
Title: Analysis, potency and occurrence of (Z)-6-dodeceno-γ-lactone in white wine
Other Titles: Analysis, potency and occurrence of (Z)-6-dodeceno-gamma-lactone in white wine
Author: Siebert, T.
Barker, A.
Barter, S.
de Barros Lopes, M.
Herderich, M.
Francis, I.
Citation: Food Chemistry, 2018; 256:85-90
Publisher: Elsevier
Issue Date: 2018
ISSN: 0308-8146
Statement of
Tracey E.Siebert, Alice Barker, Sheridan R.Barter, Miguel Barros Lopes, Markus J.Herderich, I. Leigh Francis
Abstract: (Z)-6-Dodeceno-γ-lactone is a potent aroma compound that has been little studied and its prevalence in wines is unknown. An efficient stable isotope dilution assay was developed using a simple, direct immersion solid-phase microextraction and gas chromatography-tandem mass spectrometry method suitable for routine use with a low ng/L limit of quantitation. Using this method, 99 out of 104 young white wines analysed were found to contain detectable (Z)-6-dodeceno-γ-lactone. The highest concentrations were found in Riesling and Viognier wines. (Z)-6-Dodeceno-γ-lactone was found to have an aroma detection threshold of 700 ng/L in a neutral white wine. This study established that (Z)-6-dodeceno-γ-lactone is widely present in Australia's most popular white wine varieties, but generally at concentrations below its aroma detection threshold.
Keywords: (Z)-6-Dodeceno-γ-lactone; (Z)-6-Dodeceno-γ-lactone (PubChem CID: 5352428); (Z)-Dairy lactone; Analysis; Aroma; GC-MS/MS; Wine
Rights: © 2018 Elsevier Ltd. All rights reserved.
RMID: 0030083686
DOI: 10.1016/j.foodchem.2018.02.094
Appears in Collections:Agriculture, Food and Wine publications

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