[Retracted] Simultaneous Determination of the Five Constituents in Maiwei Dihuang Pills by the HPLC-DAD Method

Table 1

Gradient elution programs.

Time (min)	A acetonitrile (%)	B water (%)
0	3	97
8	5	95
10	7	93
14	8	92
18	9	91
24	15	85
32	20	80
47	36	64
50	55	45
55	60	40
70	75	25
75	90	10
80	90	10