Phytochemical screening and antimicrobial activities of the constituents isolated from Koelreuteria paniculata leaves
2015
Ghahari, Somayeh | Alinezhad, Heshmatollah | Nematzadeh, Ghorban Ali | Ghahari, Sajjad
Methanolic extract of Golden rain leaves was fractionated by column chromatography on silica gel and 18 fractions were obtained. Antimicrobial activities of fractions were investigated against Bacillus subtilis , Staphylococcus aureus , Escherichia coli and Pseudomonas aeruginosa as quality control bacteria and fungus Pyricularia grisea which causes Blast disease in rice. Fractions showed more antibacterial activity at 0.04 g/mL concentration only on B. subtilis and S. aureus as gram positive bacteria. Also, three fractions indicated excellent antifungal effect on fungus P. grisea . Moreover, in the present study, fractions that showed very good effect on microorganisms were used for gas chromatography-mass spectrometry analysis to identify different phytochemicals.
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