Table 1.

Quantitative assessment of six marker chemicals in DBT with different Angelica roots.

Chemical	Amount a
	DBT-China	DBT-ROK	DBT-DPRK
Ferulic acid	1438.15 ± 92.73**	418.42 ± 22.47	321.39 ± 14.17
Calycosin-7-O-β-D-glucoside	236.42 ± 30.72	253.72 ± 27.49	241.53 ± 33.08
Ononin	66.23 ± 4.08	84.72 ± 10.52	73.44 ± 8.46
Calycosin	219.98 ± 24.77**	166.06 ± 19.68	173.63 ± 10.06
Astragaloside IV	354.73 ± 36.26*	268.46 ± 30.15	309.23 ± 27.42
Formononetin	157.52 ± 18.72**	98.47 ± 16.49	81.25 ± 21.08

^aValues are expressed in μg/g dried extracts of DBT, mean ± SD, where n = 3, each with triplicate samples.

*P < 0.05 as compared with two other DBT.

**P < 0.01 as compared with two other DBT.