Licorice is a dried crude drug containing 2.5 % or more (under dry conditions) of from the roots of Glycyrrhiza (Glycyrrhiza uralensis Fishier, etc.).
These drugs have anti-ulcer, anti-tussive, anti-allergic, and anti-inflammatory properties and are frequently incorporated into cold remedies, anti-inflammatory analgesics, and anti-diarrheal drugs. Glycyrrhizic acid, the main ingredient, has a considerable sweetness and is used as a sweetener in foods.
The Japanese Pharmacopoeia employs an ODS-column HPLC method for the determination of in licorice. The system compliance items listed below are also specified.
We are pleased to report that we have achieved this requirement.