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Abstract
In this study, tuber extracts of Arisaema tortuosum were investigated for in-vitro antibacterial and
antioxidant activity. The antibacterial properties were tested against five human pathogens such as
Klebsiella
pneumonae,
Staphylococcus
aureus,
Escherichia
coli,
Proteus
vulgaris,
Pseudomonas
aeriginosa using two solvents viz methanol and acetone by well diffusion method. The maximum
antibacterial activity was observed in methanolic extract against all tested pathogenic strains. The
antioxidant potential of Arisaema tortuosum was determined by using three methods viz DPPH, HRSA
and FRAP assay. The results obtained from these three methods revealed % free radical scavenging
activity in methanolic extract. In FRAP, methanolic extract shown higher antioxidant power than that of
acetone extract. The standard antioxidant BHA at the same concentration exhibited a good deal of free
radical scavenging percentage