据记载，药剂师Charles Elmer Hires是第一个成功推广商业品牌根汁饮料的商业人士。Hires的公司于1875年研发了一种由擦树（sassafras）制成的根汁饮料，并在1876年于费城百年博览会（Centennial Exposition）上首次亮相商业化的产品。

However, root beer’s unique flavor comes from sassafras, a tree root native to the United States. Historically, Native ...

Sassafras also is susceptible to Japanese beetles, powdery mildew, leaf spots and cankers. Sassafras is known for the tea made from the bark on its roots, and also was a key ingredient in root beer ...