Non-Saccharomyces yeasts as bioprotection in the composition of red wine and in the reduction of sulfur dioxide was written by Windholtz, Sara;Redon, Pascaline;Lacampagne, Soizic;Farris, Laura;Lytra, Georgia;Cameleyre, Margaux;Barbe, Jean-Christophe;Coulon, Joana;Thibon, Joana;Masneuf-Pomarede, Isabelle. And the article was included in LWT–Food Science and Technology in 2021.Formula: C10H18O2 This article mentions the following:
Non-Saccharomyces yeasts have been used for many years due to their technol. potential, particularly as a “booster” of wine fruity aroma in mixed fermentations with Saccharomyces cerevisiae. Recently, a new application has emerged, bioprotection, which consists in colonizing the environment in the context of sulfite reduction in wines. The chem. and sensory impact of non-Saccharomyces yeast according to different modes of application in a context of fermentation without addition of SO2 was evaluated through trial with Merlot N. (Vitis vinifera L.). An effective niche occupation by non-Saccharomyces yeasts was highlighted during the prefermentary stages by Quant.-PCR and MALDI-TOF MS identification. Chem. anal. (GC-MS and GC MS/MS) of finish wine showed the significant impact of the dose applications, with bioprotection characterized by linear esters and sequential application by acetates of higher alc. contents. Moreover, a separation according to the species used in bioprotection was revealed. Finally, using a panel trained, the sensory anal. confirmed that the use of non-Saccharomyces yeast was a fruity booster in sequential inoculation and, to a less extent, when used as bioprotection. This study shows for the first time that the use of non-Saccharomyces yeast as a bioprotection has a significant impact on the aromatic profile of wines. In the experiment, the researchers used many compounds, for example, 5-Hexyldihydrofuran-2(3H)-one (cas: 706-14-9Formula: C10H18O2).
5-Hexyldihydrofuran-2(3H)-one (cas: 706-14-9) belongs to esters. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Cyclic esters are called lactones, regardless of whether they are derived from an organic or inorganic acid. One example of an organic lactone is γ-valerolactone.Formula: C10H18O2
Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics