Table 2.

Contents (mg/g) of six marker compounds in two brands of YSC (n = 3).

Compound	Contents (mg/g) (mean ± SD)
	Lot E01104	Lot Y03039
TSG	12.23 ± 0.05	7.25 ± 0.06
Chlorogenic acid	0.48 ± 0.01	0.46 ± 0.01
Emodin	0.49 ± 0.01	0.94 ± 0.02
Ferulic acid	0.32 ± 0.01	0.17 ± 0.01
Isoimperatorin	0.29 ± 0.01	0.17 ± 0.01
Paeoniflorin	1.36 ± 0.01	2.68 ± 0.02