Single Standard Substance for the Simultaneous Determination of Eleven Components in the Extract of Paeoniae Radix Alba (Root of Paeonia lactiflora Pall.)

Table 5

The relative correction factors (mean ± standard deviation) acquired with three Waters HPLC systems.

Relative correction factor	Waters-1	Waters-2	Waters-3	Average
fgallic acid/paeoniflorin	0.0349 ± 0.0010	0.0351 ± 0.0008	0.0350 ± 0.0009	0.0350 ± 0.0009
foxypaeoniflorin/paeoniflorin	0.0615 ± 0.0018	0.0623 ± 0.0017	0.0616 ± 0.0017	0.0618 ± 0.0018
fcatechin/paeoniflorin	0.149 ± 0.004	0.151 ± 0.004	0.153 ± 0.004	0.151 ± 0.004
falbiflorin/paeoniflorin	1.08 ± 0.03	1.10 ± 0.01	1.10 ± 0.01	1.09 ± 0.0140
fethyl gallate/paeoniflorin	0.0328 ± 0.0002	0.0330 ± 0.0004	0.0329 ± 0.0007	0.0329 ± 0.0005
fgalloylpaeoniflorin/paeoniflorin	0.101 ± 0.002	0.101 ± 0.002	0.101 ± 0.003	0.101 ± 0.002
fpentagalloylglucose/paeoniflorin	0.0417 ± 0.0010	0.0411 ± 0.0012	0.0404 ± 0.0010	0.0411 ± 0.0011
fbenzoic acid/paeoniflorin	0.190 ± 0.005	0.191 ± 0.006	0.212 ± 0.004	0.197 ± 0.005
fbenzoylpaeoniflorin/paeoniflorin	0.607 ± 0.005	0.609 ± 0.008	0.595 ± 0.018	0.604 ± 0.010
fpaeonol/paeoniflorin	0.0202 ± 0.0005	0.0202 ± 0.0006	0.0201 ± 0.0003	0.0202 ± 0.0005