Bitter

Bitter is one of the five basic tastes. Many people find bitter tastes unpleasant; many alkaloids taste bitter, and evolutionary biologists have suggested that a distaste for bitter things evolved to enable people to avoid poisoning.

"Bitter" can refer to:

• Bitter beer, a kind of ale particularly popular in Britain; or
• Bitters, an herbal preparation now used mostly in cocktails.

For beer, bitterness is measured on the IBU scale.

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