Abstract
Unsaturated fatty acids (FA) are required for various biological processes of animals including human. They are used as supplementary diet in treating many diseases and have large-scale industrial uses. In the present study, oils from leaves and berries of Solanum villosum Mill. (Solanaceae:Solanales) were extracted with petroleum ether (60-80°C) and subjected to Gas Liquid Chromatography (GLC) to identify the available FA. The antibacterial potential of the petroleum ether extract against some pathogenic bacteria (Staphylococcus aureus, Bacillus subtilis, Escherichia coli and Pseudomonas aeruginosa) was demonstrated by disc diffusion method and Minimum Inhibitory Concentrations (MIC) was also determined. In the extracted oil, major unsaturated FA components were identified as lenoleic acid and oleic acid and saturated FA were palmitic acid and stearic acid. Tested bacteria showed high to moderate sensitivity to the extracts, except B. subtilis exhibited resistance to the extract of leaves, whereas E. coli and P. aeruginosa to the extract of berry. So, oils from S. villosum leaf and berry can be considered as an important source of unsaturated FA, specially the linoleic acid and can be used as a healthier alternative to commonly used oils opening good prospects in many industries. Moderate antibacterial property may provide an added advantage.
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