Dried rhizomes and roots of a legume, Glycyrrhiza glabra, distributed from Europe to western Asia and North Africa, are the source of licorice, used to flavor tobacco and confectionery. In India, licorice is chewed with betel nut. Medicinally, it has been valued against indigestion. Derivatives of licorice have been used to treat stomach ulcers. "Spanish" (including Italian and Greek) licorice is considered the best quality. Lower quality "Oriental" licorice is cultivated in the Middle East, the Caucasus, and north China. In the United States, roots from different regions are blended to make various brands of licorice extract.
See: Plants as Medicines, p. 220
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Gastroesophageal reflux disease is the medical term for what we know as acid reflux. Acid reflux occurs when the stomach releases its liquid back into the esophagus, causing inflammation and damage to the esophageal lining. The regurgitated acid most often consists of a few compoundsbr acid, bile, and pepsin.