Fallopia japonica, a Natural Modulator, Can Overcome Multidrug Resistance in Cancer Cells

Table 3

Identification of secondary metabolites in methanol extract of F. japonica by LC-ESI/MS.

Peak	RT; (min)	[M−H]^−	Other ions	Compound	%
1	2.6	290	—	Unknown	14.2
2	8.8	389	—	Polydatin	22.4
3	12	541	—	Polydatin gallate	3
4	14.4	431	—	Apigenin-7-glucoside	2
5	15.7	227	—	Resveratrol	2.55
6	18.5	407	24	Torachrysone-8-O--glucoside	4.23
7	19.7	431	—	Emodin-8--D-glucoside	11.1
8	24.2	445	28	Physcion-8--D-glucoside	2.9
9	26.3	285	—	Hydroxyemodin	1.6
10	35.2	283	—	Rhein	5.2
11	44.8	269	—	Emodin	29.6
12	48.3	283	—	Physcion	1.2