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UPLC-MS of the early eluting components (0–6 min) from the four X. khoisanae J194 extracts that showed antibacterial activity: (A) aqueous fraction of non-aerated broth culture, (B) NAO fraction of non-aerated broth culture, (C) fraction from aerated broth culture and (D) extract from culture grown on surface of solid medium. The masses in the spectra are protonated masses of the most prominent detected compounds.
