Preparation, Characterization, and Dissolution Rate In Vitro Evaluation of Total Panax Notoginsenoside Nanoparticles, Typical Multicomponent Extracts from Traditional Chinese Medicine, Using Supercritical Antisolvent Process

Table 5

Gradient profile for total saponins amounts analysis.

Time	Flow rate	Acetonitrile	Water
(min)	(mL/min)	(%, v/v)	(%, v/v)
0	1.00	20.0	80.0
20	1.00	40.0	60.0
21	1.00	20.0	80.0
30	1.00	20.0	80.0
40	1.00	20.0	80.0