Study on the relationship between flavor components and quality of ice wine during freezing and brewing of 'beibinghong' grapes

Postharvest partial dehydration of blueberries enhanced blueberry wine aroma via upregulating phenylalanine metabolism and terpene biosynthesis

“…Consistently, a previous study also reported a declining trend of phenylalanine content in 'Beibinghong' grapes during postharvest on-vine dehydration (Li et al, 2023). Therefore, we speculated that the higher phenylethanol content in WL30 blueberry wines could be primarily attributed to the increases in phenethyl alcohol in dehydrated blueberries.…”

“…The contents of linalool, geraniol, βpinene, o-cymene and trans-β-ocimene expressed on a per berry basis in WL30 blueberries were also significantly higher than in controls (Table S5), showing that the increases of these terpenes in dehydrated blueberries can also be attributed to the upregulated biosynthesis besides concentration effects. Our previous study also confirmed that postharvest dehydration upregulated expressions of key genes involved in the MEP pathway in blueberries via transcriptome analysis, including VcDXS, VcHDR, VcGGPS and VcTPS (Wang et al, 2023). In this study, we conducted qPCR analysis to determine the dynamic changes of relative expressions of these genes during postharvest dehydration process.…”

Sustainable solutions for mitigating spring frost effects on grape and wine quality: facilitating digital transactions in the viniculture sector

“…Sustainable Food Technology with a rich and fruity aroma. 49 In some rare cases, there may be some attributed off-avors, but the damage is not considered as severe as in the early development stages. Without a doubt, aer a frost event, microbial biodiversity is likely to alter.…”

“…This product differs in sensory attributes from wines made with naturally grown grapes, as frozen grapes have higher sugar content, and the resulting wine volume is signicantly lower. 49 Even though this may be a solution in times of need, there is still a growing demand for solutions to address emerging frost issues, especially early spring frost events.…”