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TLC (Kieselgel 60 chromatographic plates (Merck, Darmstadt, Germany), layer thickness 2 mm, solvent: ethyl acetate/ethanol/water (40:15:15)) of an ethyl acetate extract of supernatants of Pseudomonas bacteria strains and standard metabolite at 366 nm. 1—P. chlororaphis BZR 245-F; 2—phenazine standard solution; 3—Pseudomonas sp. BZR 523-2. Red circles indicate metabolite zones.
