Solera by the producers of sherry. In a Spanish sherry "solera", the vintner may transfer about a third of each barrel a year. A solera sherry has to be at least three years old when bottled. A quite similar process is called sostrera, used to produce fortified wines in the Mediterranean regions of France. In Sicily, where Marsala wine is made, the system is called "in perpetuum". Solera vinification is used in the making of Mavrodafni ("Black Laurel"), a fortified red dessert wine made in the Northern Peloponnese in Greece. Exceptional "Mavrodafni" vintages are released every 20 or 30 years: they
Agave wine tequila, agave wine is then filtered and 100% de agave blanco tequila at 55% ABV is added to "fortify" the wine to 24% ABV. Like tequila, if the label does not say "100% de agave" it is made with a neutral spirit other than tequila. In a "mixto" agave wine the fermented aguimel is fortified in, most cases, a grain neutral spirit which is far less expensive. Agave wine is popular in Mexico, and is growing in popularity in the United States. Agave wine Agave Wine originates from Mexico. It is similar to tequila, in that it is harvested from