Additional file 1: of Discovery, synthesis and antibacterial evaluation of phenolic compounds from Cylicodiscus gabunensis

Figure S1. scheme summarizing the bioassay-guided isolation procedure for C. gabunensis bark. Figure S2. agar plate showing the effect of CGE against Staphylococcus epidermidis. Table S1. antibacterial activity of Cylicodiscus gabunensis extracts and fractions. Table S2. antibacterial activity of ampicillin as positive control using disk diffusion assay. Table S3. MIC (μg/ml) of sub-fractions CGEEA-F5-(1–12). Figure S4. GC-MS chromatogram of Cylicodiscus gabunensis CGEEA-F5. Figure S5. GC-MS chromatogram of CGEEA-F5–8. Figure S6. EI-mass spectra of compounds detected in CGEEA-F5–8. Table S4. compounds (after TMS derivation) detected from CGEEA-F5 by GC-MS. Figure S7. analytical HPLC of CGEEA-F5–8. Figure S8. A: LC-MS chromatogram of CGEEA-F5–8. B: positive ESI-MS of ethyl gallate. Figure S9. 1H NMR (300 MHz, CD3OD) of CGEEA-F5–8, and 0.9. (DOCX 2095 kb)