Table 2.

Concentrations (% w/w) of the 14 licorice constituents in each tested licorice extract.

Licorice compound	G. glabra	G. uralensis	G. inflata
	% Weight compound / weight extract
Liquiritin	0.31	3.83	1.33
Isoliquiritin	0.07	0.33	0.18
Liquiritin apioside	9.10	1.09	7.70
Isoliquiritin apioside	2.52	0.13	1.99
Licuraside	1.25	0.05	0.17
Liquiritigenin	0.07	0.23	0.26
Isoliquiritigenin	0.05	0.07	0.15
Glycyrrhizin	0.55	4.20	1.42
Glabridin	0.46	0	0
Glycyrrhetinic acid	0.03	0.01	0.20
Licoricidin	0	0.08	0
HBMAa	3.45	1.88	5.06
Glycycoumarin	0	0.13	0.005
Licochalcone A	0	0	5.24

^aHBMA = p-hydroxy-benzylmalonic acid