Science / Chemistry / Alkaloid: A class of bitter-tasting, basic organic compounds with nitrogen-containing rings. Alkaloids often have powerful effects on living things. Examples are cocaine, nicotine, strychnine, caffeine, and morphine.
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Lifestyle / Coffee / Bitter: A basic taste characterized by solution of quinine, caffeine, and certain other alkaloids. Perceived primarily at the back of the tongue. Generally normal characteristics of coffees connected with the MORE
Entertainment / Liquor / Tonic Water: A carbonated beverage containing lemon, lime, and quinine, an alkaloid obtained from the cinchona bark. MORE
Lifestyle / Coffee / Caustic: A detrimental coffee taste sensation characterized by burning, sour sensation on the posterior sides of the tongue. Caused by alkaloids increasing the sourness of the acids in combination with a high MORE
Science / Chemistry / Caffeine: A substance found in tea, coffee, and cola that acts as a stimulant. It is extremely soluble in supercritical fluid carbon dioxide and somewhat soluble in water; aqueous solutions of caffeine quickly MORE
Science / Chemistry / Alkaline: Having a pH greater than 7. MORE
Lifestyle / Coffee / Medicinal: A detrimental coffee taste sensation characterized by a penetrating sour sensation on the posterior sides of the tongue. Caused by alkaloids increasing the sourness of the acids without any taste modu MORE
