Evaluation of antibacterial activity of phyto-nutrients extracted in aqueous and ethanol solvents from hordeumvulgare, basella alba and guizotiaabyssini

Abstract

Since times, plant food products and plant derived products had been used in daily life for cures and relief from various diseases. Recently, there is a scientific curiosity and certain popularity with regard to screening of essential nutrients from different plant extracts for their pharmaceutical usage.Present study reveals the difference in the antimicrobial activity pattern of extracts from Hordeum vulgare, Basella alba and Guizotia abyssini in ethanol and aqueous solvents against the pathogenic organisms E.coli (ATCC-25922), Staphylococcus aureus (ATCC-25923), Pseudomonas aeruginosa (ATCC-27853), Proteus vulgaris (ATCC 6380). Among all three plant extracts,  Basella alba found to shown greater activity with ethanol extract against  E.coli with a zone of inhibition 23mm with IC50 value 62.64mg/ml, least activity was shown against Pseudomonas aeruginosa with a zone of inhibition 7mm with IC50 value 79.29mg/ml.  The results of crude extracts were compared with standard antibiotic Ciprofloxacin(100 mcg).