Fig. 4From: Isolation, characterization, and application of biosurfactant by Klebsiella pneumoniae strain IVN51 isolated from hydrocarbon-polluted soil in Ogoniland, NigeriaPhospholipid produced by the K. pneumoniae IVN51 on thin-layer plate (Light brown colouration visible on the plate is an indication of the presence of phospholipids)Back to article page