No.817
Root beer is a North American beverage traditionally made using the root bark of the sassafras tree Sassafras albidum or the sarsaparilla vine Smilax ornata (also used to make a soft drink called sarsaparilla) as the primary flavor. It started out as a type of small beer that was brewed.Today, root beer is usually a sweet, carbonated soft drink that is generally non-alcoholic and caffeine-free. It usually has a thick and foamy head.
Since safrole, a key component of sassafras, was banned by the US Food and Drug Administration in 1960 due to its carcinogenicity, most commercial root beers have been flavored using artificial sassafras flavoring,but a few (e.g. Hansen's) used a safrole-free sassafras extract.[4] There are many major root beer producers. A common use is to add vanilla ice cream to make a root beer float.
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