Phytochemical Screening of Essential Oils and Antibacterial Activity and Antioxidant Properties of Barringtonia asiatica (L) Leaf Extract

Table 1

Antibacterial activity of Barringtonia asiatica dichloromethane leaf extract.

Organisms	Control	Concentration (ppm)		100 ppm	250 ppm	500 ppm	1000 ppm
		25 ppm	50 ppm
Salmonella typhi	5.68 ± 0.59 mm	2.50 ± 0.10 mm	2.90 ± 0.14 mm	2.95 ± 0.07 mm	3.50 ± 0.10 mm	3.67 ± 0.06	3.87 ± 0.06^a
Escherichia coli	5.68 ± 0.59 mm	3.07 ± 0.06 mm	3.25 ± 0.07 mm	3.33 ± 0.06 mm	3.80 ± 0.20 mm	3.90 ± 0.10	4.30 ± 0.20^a
Staphylococcus aureus	5.83 ± 0.29 mm	3.25 ± 0.07 mm	3.45 ± 0.07 mm^b	4.25 ± 0.07 mm^b	4.60 ± 0.10 mm^b	4.75 ± 0.07^b	4.90 ± 0.10^a
Klebsiella pneumoniae	5.68 ± 0.59 mm	3.00 ± 0.17 mm^b	3.10 ± 0.10	4.00 ± 0.10 mm^b	4.27 ± 0.06 mm	4.70 ± 0.10	5.00 ± 0.06^a

Values are mean ± SD for five determinations ^aSignificantly () higher compared to different concentrations on the same organism in each row. ^bSignificantly () higher compared to different concentrations on the same organism in each column.