{"id":7038,"date":"2026-08-21T09:33:15","date_gmt":"2026-08-21T09:33:15","guid":{"rendered":"https:\/\/il-tec.com\/?p=7038"},"modified":"2026-08-22T15:42:32","modified_gmt":"2026-08-22T15:42:32","slug":"production-and-distillation-of-liquor-and-spirits","status":"publish","type":"post","link":"https:\/\/il-tec.com\/en\/production-and-distillation-of-liquor-and-spirits\/","title":{"rendered":"How spirits and liqueurs are made"},"content":{"rendered":"

By the IL-Tec technical team \u2014 Industria di Leivi (Ultraflex Group). Last updated: 21\/08\/2026.<\/span><\/i><\/p>\n

Spirits and liqueurs are both high-strength alcoholic drinks, but they are made in fundamentally different ways. <\/span>Spirits<\/b> are produced by <\/span>distillation<\/b> \u2014 physically separating alcohol from water. <\/span>Liqueurs<\/b> are not distilled: they are made by <\/span>macerating or infusing<\/b> botanicals in alcohol and then blending in sugar and flavourings. That single distinction \u2014 distilled versus blended and sweetened \u2014 explains almost everything else about how the two drinks are produced.<\/span><\/p>\n

\"distillation<\/h2>\n

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The diff<\/span>erence between spirits and liqueurs<\/span><\/h2>\n

It is easy to treat the two as the same thing, but they differ on two clear parameters: <\/span>how they are produced<\/b> and <\/span>how much sugar and alcohol they contain<\/b>.<\/span><\/p>\n

A <\/span>spirit<\/b> is distilled from a fermented base, giving a high, largely unsweetened alcohol content. A <\/span>liqueur<\/b> starts from a neutral or grape spirit, is flavoured by steeping botanicals, and is sweetened with sugar \u2014 which is why liqueurs are lower in strength and noticeably sweeter.<\/span><\/p>\n\n\n\n\n\n\n\n\n
Parameter<\/b><\/td>\nSpirits<\/b><\/td>\nLiqueurs<\/b><\/td>\n<\/tr>\n
Production method<\/b><\/td>\nDistillation \u2014 physical separation of alcohol from water by evaporation<\/span><\/td>\nMaceration or infusion, then blending with sugar and flavourings<\/span><\/td>\n<\/tr>\n
Typical strength (ABV)<\/b><\/td>\nFrom about 37.5\u201340% upwards, depending on the category<\/span><\/td>\nMinimum 15% ABV; commonly 15\u201355%<\/span><\/td>\n<\/tr>\n
Sugar<\/b><\/td>\nNone or minimal<\/span><\/td>\nAdded sugar is a defining feature (min 100 g\/litre under GB rules)<\/span><\/td>\n<\/tr>\n
Maturation<\/b><\/td>\nOptional cask ageing (e.g. Scotch whisky, min 3 years in oak)<\/span><\/td>\nLeft to rest for months to years<\/span><\/td>\n<\/tr>\n
UK examples<\/b><\/td>\nGin, vodka, whisky, rum, brandy<\/span><\/td>\nSloe gin, cream liqueurs, herbal and fruit liqueurs<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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A note on terms: in British English the sweetened drink is a <\/span><\/i>liqueur<\/i><\/b>, while <\/span><\/i>spirit<\/i><\/b> refers to the distilled product. \u201cLiquor\u201d is chiefly an American term for spirits and is best avoided here to prevent confusion.<\/span><\/i><\/p>\n

How spirits are made: the distillation process<\/span><\/h2>\n

Distillation relies on the different boiling points of the two liquids: alcohol (ethanol) boils at roughly <\/span>78.4\u00b0C<\/b> and water at <\/span>100\u00b0C<\/b>. When the fermented liquid is heated, the alcohol and its aromatic compounds vaporise first; the vapour is then cooled and condensed back into a concentrated, flavoured liquid.<\/span><\/p>\n

The distillation process, step by step<\/span><\/h3>\n
    \n
  1. Heating: the fermented base is warmed in a still.<\/span><\/li>\n
  2. Evaporation: alcohol and volatile aromatic compounds turn to vapour before the water does.<\/span><\/li>\n
  3. Condensation: the alcohol vapour is cooled and returned to liquid form \u2014 now concentrated and aromatic.<\/span><\/li>\n
  4. Further distillation (if required): to refine strength and character, separating the unwanted heads and tails from the desirable heart of the run.<\/span><\/li>\n<\/ol>\n

    Where the alcohol comes from<\/span><\/h3>\n

    In spirits, the alcohol is created by <\/span>fermenting<\/b> a sugar- or starch-rich raw material \u2014 grain, fruit, molasses or grapes \u2014 which is then concentrated by distillation. In liqueurs, the alcohol is usually a ready-made <\/span>ethyl alcohol of agricultural origin<\/b>, to which sugar and flavourings are added. In other words, most liqueur producers do not distil their own base alcohol; they build the drink on a spirit that has already been distilled.<\/span><\/p>\n

    How liqueurs are made: maceration, infusion and blending<\/span><\/h2>\n

    Liqueur production brings together alcohol, sugar, flavourings and, sometimes, colour. Plant materials \u2014 fruit, herbs, spices, roots and peels \u2014 release their aromas through <\/span>maceration<\/b> or <\/span>infusion<\/b> in direct contact with the alcohol. Once the base is blended, it is left to rest for months, or even years, before bottling.<\/span><\/p>\n

    Maceration and infusion: methods and timing<\/span><\/h3>\n

    Maceration<\/b> means steeping botanicals in cold alcohol to draw out their aroma and character. <\/span>Infusion<\/b> works on the same principle but usually applies gentle heat to speed up extraction. Timing depends on the ingredient and the flavour you are after: from a few days for delicate peels and herbs to several weeks for tougher roots and spices <\/span>[VERIFY: give specific steeping times only if backed by a source or an in-house recipe]<\/span><\/i>.<\/span><\/p>\n

    ABV and the UK rules for liqueurs<\/span><\/h3>\n

    In Great Britain, spirit drinks are governed by <\/span>assimilated Regulation (EC) No 110\/2008<\/b> (retained EU law after Brexit); Northern Ireland instead follows Regulation (EU) 2019\/787. Under the GB rules a <\/span>liqueur<\/b> must have a minimum strength of <\/span>15% ABV<\/b> and a minimum sugar content of <\/span>100 grams per litre<\/b> (lower thresholds apply to certain types, such as cherry or gentian liqueurs) <\/span>[VERIFY exact sugar thresholds against the current assimilated Regulation before publishing]<\/span><\/i>. Distilled spirits sit higher: most categories start at 37.5% ABV, with whisky at 40%.<\/span><\/p>\n

    Examples: how gin, vodka, whisky, rum and brandy are made<\/span><\/h2>\n