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The objective of this work was to study the correlation between the variation of phenolic compounds and sensory characteristics in white wine during bottle storage and to explore the compounds that affected sensory evolution. Chardonnay ( Vitis vinifera L. cv.) dry white wines were bottled under six types of stoppers and stored for 18 months. The composition of phenolic compounds was analyzed, and the sensory attributes of these wines were evaluated by professional panel. Multivariate statistical analysis demonstrated that bottle aging period exhibited a more important effect on phenolic compound evolution than stopper type. Most of the phenolic compounds disappeared after 18 months of bottle storage, whereas the wine sensory attributes were significantly improved after 15-month of bottle aging. No strong correlation existed between the phenolic variation and the dissolved oxygen content. Wine color characteristics developed towards better quality accompanying with the reduction of detectable hydroxycinnamic acid derivatives and flavan-3-ols, while the wine mouth-feel was related mainly to gallic acid and ferulic acid ester. This work provided some references for wine producers to select appropriate storage duration for bottled white wine.

journal of food science and technology/journal of food science and technology

Impact of different types of stoppers on sensorial and phenolic characteristics evolution during a bottle storage time of a white wine from Chardonnay grape variety