Table 1.

Instrumental conditions for ginsenosides analysis

Time (min)	Flow (mL/min)	A%, ACN	B%, DW
Initial	1.6	80	20
40	1.6	68	32
55	1.6	50	50
70	1.6	35	65
71	1.6	10	90
81	1.6	80	20
90	1.6	80	20

Column: Supelco Discovery C18, 5 μm, 250×4.6 mm; injection volume: 20 μL; column temperature: 40±2℃ ; detector: Waters 2998 photo diode array detector, 203±0.2 nm.

ACN, acetonitrile; DW, deionized water.