Anti-methicillin-resistance Staphylococcus aureus (MRSA) compounds from Bauhinia kockiana Korth. And their mechanism of antibacterial activity

Table 1 Antibacterial activity towards MRSA of B. kockiana flower sequential extracts (1.0 mg/disc) evaluated using disc diffusion assay

Extracts	Diameter of inhibition zone (mm)
Extracts	MRSA ATCC 33591	MRSA Clinical isolate
Hexane	–	–
Dichloromethane	–	–
Ethyl acetate	11.7 ± 0.7	11.3 ± 0.7
Methanol	11.0 ± 0.0	11.3 ± 0.7
Vancomycin^a	21.0 ± 0.0	21.0 ± 0.0

Note: diameter of the bacterial disc is 6 mm. Results are expressed as means ± SD obtained from 3 independent experiments. ^aVancomycin used in 0.03 mg/disc. “-” represents no activity

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