Fortified wine Madeira Islands. The wine is produced in a variety of styles ranging from dry wines which can be consumed on their own as an aperitif, to sweet wines more usually consumed with dessert. Madeira is deliberately heated and oxidised as part of its maturation process, resulting in distinctive flavours and an unusually long lifespan once a bottle is opened. Marsala wine is a wine from Sicily that is available in both fortified and unfortified versions. It was first produced in 1772 by an English merchant, John Woodhouse, as an inexpensive substitute for sherry and port, and gets its name from
Sweetness of wine Aszú dessert wines: In Spain, the rules applicable to the sweet and fortified Denominations of Origen Montilla-Moriles and Jerez-Xérès-Sherry In the United States, the wine industry measures the sweetness of must and wine in degrees Brix. Sweetness of wine The subjective sweetness of a wine is determined by the interaction of several factors, including the amount of sugar in the wine, but also the relative levels of alcohol, acids, and tannins. Sugars and alcohol enhance a wine's sweetness; acids (sourness) and bitter tannins counteract it. These principles are outlined in the 1987 work by Émile Peynaud, "The Taste of Wine".