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 and tonic of water, sugar, lime and gin to the quinine in order to make the drink more palatable, thus gin and tonic was born. Soldiers in India were already given a gin ration, and the sweet concoction made sense. Since it is no longer used as an antimalarial, tonic water today contains much less quinine, is usually sweetened, and is consequently much less bitter. Gin and tonic is a popular cocktail during the summer. A 2004 study found that after 12 hours, "considerable quantities (500 to 1,000 ml) of tonic water may, for a short period of time, lead to quinine