Cocktail onion recipes also call for the onions to be packed in white vermouth as well as vinegar. Generally, the onion retains a slightly crunchy texture through the brining process, which can add a different mouthfeel to the drinking experience. Since the cocktail onion is made from a sweet onion, it is unlikely to upset the digestion with a sulfurous or eye-watering taste, although some cultures use more pungent onions as cocktail garnishes. While not as widely used as more common garnishes such as olives or lemon twists, the cocktail onion is the signature garnish of the Gibson, which consists of a
Gin in popularity by the early 20th century. The invention and development of the column still (1826 and 1831) made the distillation of neutral spirits practical, thus enabling the creation of the "London dry" style that evolved later in the 19th century. In tropical British colonies gin was used to mask the bitter flavour of quinine, which was the only effective anti-malarial compound. Quinine was dissolved in carbonated water to form tonic water; the resulting cocktail is gin and tonic, although modern tonic water contains only a trace of quinine as a flavouring. Gin is a common base spirit for many