Identification of the Allergenic Ingredients in Reduning Injection by Ultrafiltration and High-Performance Liquid Chromatography

Table 5

Concentration and percentage of retention of each component before and after ultrafiltration.

Serial number	Name	Before ultrafiltration (mg/mL)	After ultrafiltration (mg/mL)	Percentage of retention (%)	RSD (%)
1	Neochlorogenic acid	3.71	3.42	92.18	1.79
2	Chlorogenic acid	6.12	5.46	89.21	2.25
3	Cryptochlorogenin acid	3.32	3.00	90.36	2.12
4	Caffeic acid	0.31	0.29	93.54	2.10
5	Geniposide	9.10	8.90	97.80	1.63
6	Secoxyloganin	1.02	0.68	73.67	2.13
7	Isochlorogenic acid B	0.60	0.44	73.33	1.98
8	Isochlorogenic acid A	0.33	0.25	75.76	2.43
9	Isochlorogenic acid C	0.51	0.36	70.58	1.59
10	Tween-80	2.00	0.40	20.00	2.58

Values are expressed as mean ± SD; in each group. versus Tween-80 group.