Table 1.

Compounds assigned in the G. glabra extract by LC-MS.

No	Rt. (min)	UV (nm)	Identification	[M-H] -	MS 2 product ions (relative intensity)	[M+H] +
1	13.6	230, 280	Dihydroxy-glabridin	357	135, 235, 339	341
2	17	230, 280, 340	Hydroxy-glabrene	337	161, 268, 293, 309, 322	339
3	18	220,280	Hydroxy-4’-O-methylglabridin	353	165, 201, 321, 309, 338	355
4	19.8	217, 250, 285, 325	Glabrene	321	175, 293, 306	323
5	25.5	280	Hydroxy-glabridin	339	135,203,221,321	341
6	26	230, 280	Glabridin	323	121, 135, 201	325
7	27	222, 250, 302	Glabrone	335	213, 291, 292, 307, 320	337
8	36	230, 280, 290	Hispaglabridin A	391	335	393
9	46	230, 280, 320	Hispaglabridin B	389	373	391