Chemical and Physical Methods to Analyze a Multicomponent Traditional Chinese Herbal Prescription Using LC-MS/MS, Electron Microscope, and Congo Red Staining

Table 4

The amounts of saikosaponin A, saikosaponin D, ferulic acid, and paeoniflorin in the herbal pharmaceutical products of JWXYS from different brands.

Brand	Saikosaponin A (mg/g)	Saikosaponin D (mg/g)	Ferulic acid (mg/g)	Paeoniflorin (mg/g)
A	0.126 ± 0.014	ND	0.055 ± 0.004	2.246 ± 0.306
B	0.351 ± 0.017	0.136 ± 0.010	0.140 ± 0.005	2.281 ± 0.406
C	0.271 ± 0.025	ND	0.046 ± 0.001	2.128 ± 0.387
D	0.280 ± 0.037	0.107 ± 0.012	0.057 ± 0.002	3.200 ± 0.568
E	0.116 ± 0.014	ND	0.124 ± 0.011	3.497 ± 0.599

Each value is expressed as mean ± standard deviation (𝑛=3).
ND: not detectable.