Brandy is made from early grapes in order to achieve higher acid concentration and lower sugar levels. Base wine generally contains smaller amount (up to 20 mg/l) of sulphur than regular wines, as it creates undesired copper(II) sulfate in reaction with copper in the pot stills. The yeast sediment produced during the fermentation may or may not be kept in the wine, depending on the brandy style. Brandy is distilled from the base wine in two phases. In the first, large part of water and solids is removed from the base, obtaining so-called "low wine", basically a concentrated wine with 28–30%
Dutch brandy Bols), Hooghoudt, Hoppe (made by Bols), Hulsink, Klasse A (house brand of Dutch liquor shop Mitra), De Kuyper, Legner Fine Vieille (not officially named "Vieux" as it only contains 30% of alcohol), Olifant and Plantiac (made by Boomsma). Dutch brandy Dutch brandy (, ) is a distilled spirit made from either grain or molasses alcohol flavored with various essences and extracts produced in the Netherlands. It was formerly referred to as "Dutch cognac" until that name was legally restricted to grape brandy from the Cognac region of France. Dutch names included "Koetsiertje" or "Koetsierscognac" (cognac drunk by carriage riders -