Additional file 1.

Dried roots of Rumex hymenosepalus (Figure S1). 1H NMR spectra of Rh in DMSO-d6 referenced to TMS (Figure S2). Section of the 1H NMR spectra of the Rh extract (Figure S3). Following section of the 1H NMR spectra of the Rh extract (Figure S4). 1H NMR chemical shifts for the Rh extract (first column) as compared to those reported in the literature (Table S1). Molecular structure of the catechin compounds found in the Rh extract (Figure S5). Molecular structure of stilbene glycoside found in the Rh extract (Figure S6). Composition of samples without Rh extract (Table S2). UV-Vis spectrum of solutions without Rh extract (Figure S7). Sterility test of (A) aerobic mesophilic bacteria and (B) mold and yeast (Figure S8). EDS spectra for a silver nanoparticle (Figure S9). Chemical analysis of the EDS results for a silver nanoparticle (Table S3).

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Rodríguez-León et al. Nanoscale Research Letters 2013 8:318   doi:10.1186/1556-276X-8-318