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The aim of this study was to determine the phytochemical profile, antibacterial and antioxidant activities of crude aqueous leaf extracts of  Anisomeles malabarica  and  Coldenia procumbens . The predominant components present in these crude extracts of test plants identified using gas chromatography-mass spectrometry (GC-MS) analysis in both plant extracts were phytochemicals including flavonoids, tannins, terpenoids, and phenols. The antibacterial activity of crude extracts of these plants against bacterial pathogens including  Escherichia coli, Bacillus subtilis, Shigella  sp.,  Salmonella paratyphi  A and B,  Proteus mirabilis, Proteus vulgaris, Pseudomonas  sp.  Klebsiella pneumoniae , and  Staphylococcus aureus  were examined. Data demonstrated that the extracts of  A. malabarica  and  C. procumbens  exhibited significant antibacterial activity against  B.subtilis  and  P.vulgaris  at the concentration of 50 mg/ml.  A. malabarica  aqueous extract displayed significant antioxidant activity on 2,2-diphenyl-1-picrylhydrazl (DPPH), fluorescence recovery after photobleaching (FRAP) and hydrogen peroxide (H 2 O 2 ) free radicals at the concentration of 90 mg/ml. The antioxidant activity was significantly higher with  A. malabarica  than extract of  C. procumbens . Evidence indicates that both plant extracts may possess significant pharmaceutical potential as antibacterial and antioxidant agents.

Phytochemical characterization, antioxidant and antibacterial activities of crude extracts of Anisomeles malabarica and Coldenia procumbens