Abstract
Brandy de Jerez is a European Geographical Indication for grape-derived spirits aged in oak casks that have previously contained any kind of Sherry wine and, therefore, are known as Sherry Casks®. Wood compounds have a substantial influence in the quality of the brandies that are aged in the barrels. In the cellar, the barrels that have been used for many years to keep Sherry wine or other wine spirits are often used for this purpose. When wooden barrels are used for the first time, they release a large amount of compounds into the liquid contained in them. Such amount decreases over time but casks life cycle has remained unexplored until now. The present work has the aim to study the brandies obtained from the same wine spirit after two years ageing in three differently oak casks: namely new, 7 years of use (4 years containing Oloroso wine and 3 years containing wine spirits) and 32 years of use (8 years containing Oloroso wine and 24 years containing wine spirits). According to the results from our experiments, even after 32 years of use, the wood barrels still contribute to modify the organoleptic characteristics of brandy. Moreover, the brandies aged in used barrels were judged more balanced than those aged in new barrels.
Highlights
Brandy de Jerez is a spirit produced in the Southern Spanish area known as Marco de Jerez, which includes the cities of Jerez de la Frontera, El Puerto de Santa María and Sanlúcar de Barrameda
This document defines as a grape-derived spirit with a minimum alcoholic strength of 36% vol, obtained from wine spirits and distillates aged in under 1000 L oak barrels which have been previously seasoned with Sherry wine
8 7ofo1f 716 explains the higher concentration of compounds such as higher alcohols in brandies kept Table 3. pH, alcoholic streningtNhe(w% bAalrcroehlsocl obmy Vpoalruemdet,oAtBhVa)t, ovfotlahteilebraacinddsi(ems ginactheteicUasceidd/b1a0r0remlsL. of 100% vol alcohol) and potassium of brandies aged for one or two years in New barrels, 4 + 3 Used barrels, and 8 + 24 Used barrels
Summary
Brandy de Jerez is a spirit produced in the Southern Spanish area known as Marco de Jerez, which includes the cities of Jerez de la Frontera, El Puerto de Santa María and Sanlúcar de Barrameda It is elaborated following the specifications provided by the Technical File of the Geographical Indication under such name [1,2]. Such characteristics are conferred to brandy by the casks where it is aged This is so because the barrels used to produce Brandy de Jerez must have contained for a certain length of time some type of Sherry wine, i.e., Fino, Amontillado, Oloroso, or Pedro Ximénez. This conditioning process is known as seasoning and every barrel that has undergone such seasoning process according to the rules established by the Technical File that regulates its elaboration [3], is referred to as Sherry Cask®
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