Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 22, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/ijms22042195
Keywords
Hanseniaspora vineae; wine; non-Saccharomyces; fermentation; terpenes; polysaccharides
Funding
- Projects Oenological evaluation of one selected strain of Hanseniaspora vineae [FPA190000TEC2407]
- ANII [ALI_2_2019_1_155314]
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Hanseniaspora vineae has a strong impact on the sensory profile of wines by releasing a large number of cell wall polysaccharides during fermentation, affecting the palatability and structure of the wine, particularly enhancing the fruity and floral notes in non-aromatic white varieties.
Hanseniaspora vineae is a non-Saccharomyces yeast that has a powerful impact on the sensory profile of wines. Its effect on the aromatic profile of non-aromatic grape varieties, such as Albillo Mayor (Vitis vinifera, L), during vinification is a useful biotechnology to improve sensory complexity. Fermentation in steel barrels using Hanseniaspora vineae and sequential inoculation with Saccharomyces cerevisiae have been used to study the formation of terpenes and cell lysis in the production of Albillo white wines. The GC-MS analysis profile shows a significant effect of H. vineae fermentation on the contents of terpenes (approximate to x3), mainly in linalool (>x3), beta-citronellol (>x4), geraniol (>x2) and alpha-terpineol (approximate to x2). The contents of several polyoxygenated terpenes and some volatile phenols with a spicy aroma were increased during fermentation. In summary, Hanseniaspora vineae releases a large number of cell wall polysaccharides during fermentation that affect wine palatability and structure. Hanseniaspora vineae is a powerful bio-tool to enhance the fruitiness, floral notes and freshness in non-aromatic white varieties.
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