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

Table 1

The calibration curves, LODs, and LOQs of the eleven components.

Component	Linearity equation	r	Linearity range (ng)	LOD (ng)	LOQ (ng)
Gallic acid	Y = 2939 X − 7.236 × 10^4	0.9999	84.57–2114	5.373	13.43
Oxypaeoniflorin	Y = 1714 X − 1.486 × 10^5	0.9999	217.1–5427	19.63	196.3
Catechin	Y = 713.1 X − 3.237 × 10^4	0.9999	113.5–2837	37.52	75.04
Albiflorin	Y = 93.82 X − 1.700 × 10^4	0.9999	818.0–2.045 × 10^4	209.8	419.6
Paeoniflorin	Y = 103.0 X − 3.256 × 10^5	0.9999	1.228 × 10^4–3.070 × 10^5	344.7	689.4
Ethyl gallate	Y = 3158 X − 1.939 × 10^5	0.9999	214.6–5365	7.451	29.80
Galloylpaeoniflorin	Y = 1034 X − 9.033 × 10^4	0.9999	271.9–6798	20.27	40.53
Pentagalloylglucose	Y = 2380 X − 5.623 × 10^4	0.9994	687.0–1.718 × 10^4	14.59	36.46
Benzoic acid	Y = 545.9 X − 9.042 × 10^4	0.9999	473.7–1.184 × 10^4	41.02	82.04
Benzoylpaeoniflorin	Y = 171.2 X − 2.513 × 10^4	0.9999	480.8–1.202 × 10^4	25.68	128.4
Paeonol	Y = 5077 X − 9.662 × 10^4	0.9999	72.16–1804	4.079	8.159