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Root beer, also known as sarsaparilla, is a carbonated beverage (or possibly a type of beer) originally created from sassafras. Root beer, popularized in North America, comes in two forms: alcoholic and soft drink.

The soft drink version of root beer is generally made using extracts or flavored syrups diluted into carbonated water. It is not as widely popular as other soft drinks, such as cola, and constitutes only 3% of the U.S. soft drink market.

The alcoholic version is made by fermenting a solution of extract and sugar with yeast. Typically this will yield a beverage with about 0.4% alcohol, compared to more than 4% for most regular beers.

Root beer flavor may contain a variety of flavors, coming from the wide range of ingredients. Bark from the roots of the sassafras tree was the typical flavor in root beer historically, and is the primary flavor most individuals associate with the beverage. It is slightly red at times. Sassafras bark was banned by the FDA in 1960 because of the carcinogenic properties of its constituent chemical safrole. A safrole-free variety is now used, with some claiming that it has a weaker flavor than the pre-1960 variety. Acacia is also used.

There are hundreds of root beer brands in the United States, produced in every U.S. state, and there is no standardized recipe. The primary ingredient, artificial sassafras flavoring, is complemented with other flavors, common ones being vanilla, wintergreen, cherry tree bark, liquorice root, sarsaparilla root, nutmeg, anise, molasses, cinnamon and clove.

Homemade root beer is usually made from concentrate, though it can also be made from actual herbs and roots. Both alcoholic and non-alcoholic root beers have a thick and foamy head when poured, often enhanced through the addition of yucca extract.

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12y ago

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