Identification and Differentiation of Polygonum multiflorum Radix and Polygoni multiflori Radix Preaparata through the Quantitative Analysis of Multicomponents by the Single-Marker Method

Table 1

Correction factors under different sample injection volumes.

Sample injection volume (μL)	Physcion	Physcion-8-O-β-D-glucopyranoside	Emodin-8-O-β-D-glucopyranoside
2	1.134	0.469	0.428
5	1.127	0.487	0.441
10	1.104	0.486	0.435
20	1.095	0.490	0.438
30	1.096	0.492	0.435
Average value	1.11	0.49	0.44
RSD (%)	1.64	1.71	1.11