The herbal products contained the "fallopia multiflora
" substance, which is a popular blood tonifying herb in Chinese medicine, and which were being sold on UAE-based websites.
Fallopia multiflora (Thunberg) Haraldson (Polygonaceae), synonym Polygonum multiflorum Thunb., is an important medicinal plant in Oriental medicine.
Chemical investigation of the roots of Fallopia multiflora led to the isolation of eleven phenolic compounds including 8-0-[alpha]-D-apiofuranosyl-(1 [right arrow] 6)-[beta]-D-glucopyranoside (1), 8-O-3-D-glucopyranoside (2), 6-methoxy-3-methyl-1,6,8-trihydroxy-2-naphthoic acid 8-O-[beta]-D-glucopyranoside (3), torachrysone pleuropyrone A (4), emodin (5), emodin 8-O-glucopyranoside (6), physcionin (7), resveratrol (8), 2,3,5,4'-tetrahydrox-ystilbene-2-O-[beta]-glucoside (9), benzyl gentiobioside (10), and catechin (11).
Zhao, "Transcriptome profiling and digital gene expression analysis of Fallopia multiflora to discover putative genes involved in the biosynthesis of 2,3,5,4'-tetrahydroxy stilbene-2-O-[beta]-d-glucoside," Gene, vol.
 Fallopia multiflora 2014 China Illumina HiSeq 2000  Conyza blinii 2015 China Illumina HiSeq 2500 H.Lev.
As an example, the effect of protein hydrolyzates from herbal plants Panax ginseng, Fallopia multiflora, Astragalus membranaceus, and Angelica sinensis on the survival rate of paraquat-treated nematodes is presented in Figure 1, in which A.
(a)-(d) Representative Kaplan-Meier survival curves of nematodes treated with protein hydrolyzates from Panax ginseng, Fallopia multiflora, Astragalus membranaceus, and Angelica sinensis, respectively.