Establishment of Quality Evaluation Method for Yinqiao Powder: A Herbal Formula against COVID-19 in China

Table 8

The calculation results of the ESM and QAMS method at 237 nm.

Batch	Forsythoside A	Phillyrin			Arctiin
	ESM	ESM	QAMS	RE %	ESM	QAMS	RE %
1	8.689	0.868	0.862	−0.69	5.077	5.062	−0.30
2	9.311	1.292	1.283	−0.70	4.763	4.748	−0.31
3	8.260	1.146	1.138	−0.70	6.034	6.016	−0.30
4	8.193	1.107	1.099	−0.72	6.024	6.005	−0.32
5	8.224	1.043	1.036	−0.67	6.195	6.176	−0.31
6	9.462	1.125	1.117	−0.71	5.878	5.860	−0.31
7	9.346	1.110	1.103	−0.63	5.653	5.635	−0.32
8	9.316	1.229	1.220	−0.73	5.445	5.428	−0.31
9	8.376	0.993	0.987	−0.60	4.713	4.699	−0.30
10	8.653	1.114	1.107	−0.63	6.257	6.238	−0.30