A bittering agent is a

flavoring agent A flavoring (or flavouring), also known as flavor (or flavour) or flavorant, is a food additive that is used to improve the taste or Sense of smell, smell of food. It changes the perceptual impression of food as determined primarily by the chem ...

added to a food or beverage to impart a bitter taste, possibly in addition to other effects. While many substances are bitter to a greater or lesser degree, a few substances are used specifically for their bitterness, especially to balance other flavors, such as sweetness. Notable beverage examples include

caffeine Caffeine is a central nervous system (CNS) stimulant of the methylxanthine chemical classification, class and is the most commonly consumed Psychoactive drug, psychoactive substance globally. It is mainly used for its eugeroic (wakefulness pr ...

, found naturally in tea and

coffee Coffee is a beverage brewed from roasted, ground coffee beans. Darkly colored, bitter, and slightly acidic, coffee has a stimulating effect on humans, primarily due to its caffeine content, but decaffeinated coffee is also commercially a ...

and added to many

soft drinks A soft drink (see § Terminology for other names) is a class of non-alcoholic drink, usually (but not necessarily) carbonated, and typically including added sweetener. Flavors used to be natural, but now can also be artificial. The sweet ...

hops Hops are the flowers (also called seed cones or strobiles) of the hop plant ''Humulus lupulus'', a member of the Cannabaceae family of flowering plants. They are used primarily as a bittering, flavouring, and stability agent in beer, to whic ...

beer Beer is an alcoholic beverage produced by the brewing and fermentation of starches from cereal grain—most commonly malted barley, although wheat, maize (corn), rice, and oats are also used. The grain is mashed to convert starch in the ...

, and

quinine Quinine is a medication used to treat malaria and babesiosis. This includes the treatment of malaria due to ''Plasmodium falciparum'' that is resistant to chloroquine when artesunate is not available. While sometimes used for nocturnal leg ...

in tonic water. Food examples include

bitter melon ''Momordica charantia'' (commonly called bitter melon, cerassee, goya, bitter apple, bitter gourd, bitter squash, balsam-pear, karela, karavila and many more #Uses, names listed below) is a tropical and subtropical vine of the family Cucurbitac ...

, which may be mixed into a stir fry or soup for its bitter flavor. Potent bittering agents may also be added to dangerous products as aversive agents to make them foul tasting, so as to prevent accidental poisoning. Examples including anti-freeze, household cleaning products and pesticides such as slug pellets. In general, dangerous products with bright colours, which may be appealing to children, often contain agents such as denatonium. However, the efficacy of using bittering agents for this purpose is not conclusive.

Beer

Prior to the introduction of hops, many other bitter herbs and flowers were used as bittering agents in beer, in a mixture called gruit, which could include dandelion, burdock root, marigold, horehound (the German name for horehound means "mountain hops"), ground ivy, and heather. Also bog myrtle. More recently, some Chinese and Okinawan beer uses

as a bittering agent.For example
Goya Dry
b
Helios
brewery of Okinawa

Other substances

Various other substances are used, including: * Aloin * Gesho, used in Tej, Ethiopian honey wine

Other uses

Other prominent uses of bittering agents include: *

Bitters A bitters (plural also ''bitters'') is traditionally an Alcoholic drink, alcoholic preparation flavored with botanical matter for a Bitterness (taste), bitter or bittersweet Flavoring, flavor. Originally, numerous longstanding brands of bitters ...

– used as digestifs or flavorings * Dandelion and burdock – traditional British soft drink

References

{{reflist Food additives