期刊
MOLECULES
卷 27, 期 9, 页码 -出版社
MDPI
DOI: 10.3390/molecules27092974
关键词
grape brandy; Muscat brandy; Kratosija; Muscat grape varieties; Vranac; volatile aroma compounds; sensory properties
This paper presents the results of a study on the impact of grape variety on the volatile aroma compounds and sensory properties of brandy produced in Podgorica sub-region (Montenegro). The study found that Muscat grape brandy had higher contents of certain compounds compared to brandies from other grape varieties, and the variety significantly influenced the characteristics of the brandy.
This paper presents the results of a study that examined the impact of grape variety on the volatile aroma compounds and sensory properties of standard and Muscat grape brandy produced in the Podgorica sub-region (Montenegro) in vintages 2011, 2012, and 2013. The brandies were prepared by the distillation of crushed grapes, from the autochthonous varieties of Vranac and Kratosija, and Muscat grapes, in a traditional copper alembic, under the same conditions. The gas chromatographic-mass spectrometric (GC/MS) method of 82 volatile aroma compounds that belong to the group (alcohols, volatile acids, volatile esters, terpenes, volatile aldehydes, acetals, ethers, ketones, and alkanes) and an evaluation of the sensory properties of brandies were carried out to determine the typical characteristics of the examined brandies. Alcohols, fatty acid esters, and terpene compound contents were significantly more abundant in all Muscat grape brandies compared to the brandies from the Vranac and Kratosija wine varieties (Standard brandy). Research results revealed that variety had a significant impact on the volatile aroma compound and sensory properties of brandy. The varietal effect was also confirmed, by multivariate analysis, based on the aroma volatile composition, which showed a grouping by type of grape brandy (varietal origin). Sensory analyses showed that all the brandies belonged to the category of high-quality brandies.
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