期刊
FOOD CHEMISTRY
卷 209, 期 -, 页码 57-64出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2016.04.024
关键词
Wine; Yeast; non-Saccharomyces; Low alcohol; Flavour
资金
- Australia's grapegrowers and winemakers through Australian Government
- BAG Alliance Australian Wine Research Institute (AWRI) - Institute of Vine and Wine Sciences (ISVV) - Hochschule Geisenheim University (HGU)
Production of quality wines with decreased alcohol concentration continues to be one of the major challenges facing wine producers. Therefore, there is considerable interest in the isolation or generation of wine yeasts less efficient at transforming grape sugars into ethanol. We recently demonstrated that Metschnikowia pulcherrima AWRI1149 and Saccharomyces uvarum AWRI2846 were both able to produce reduced alcohol wine when used in sequential inoculation with Saccharomyces cerevisiae. This effect is additive when both strains are co-inoculated in grape must. Here we describe the volatile flavour profile of Chardonnay and Shiraz wines produced with these two strains. Wines fermented with M. pulcherrima showed concentrations of ethyl acetate likely to affect negatively wine aroma. Wines fermented with S. uvarum and with a combination of M. pulcherrima and S. uvarum were characterised by increased concentrations of 2-phenyl ethanol and 2-phenylethyl acetate, both associated with positive sensory attributes. (C) 2016 Elsevier Ltd. All rights reserved.
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