Table 1.

MIC and MBC of chitosan and turmeric aqueous extract against MDR isolates

Antibacterial agent	Isolate	No. of strains	MIC (Range 128-1024 μg/mL)				MBC (Range 128-1024 μg/mL)
			128	256	512	1024	256	512	1024	2048
Chitosan	MRSA	10	2	6	2	—	2	5	3	—
	AmpC	10	—	1	3	6	—	1	3	6
	CRE	10	—	—	5	5	—	—	4	6
	CRP	10	—	—	4	6	—	—	4	6
Turmeric aqueous extract	MRSA	10	—	2	8	—	—	2	8	—
	AmpC	10	—	—	3	7	—	—	2	8
	CRE	10	—	—	2	8	—	—	2	8
	CRP	10	—	—	—	10	—	—	—	10

Abbreviations: AmpC-producing Enterobacteriaceae; CRE, carbapenem-resistant Enterobacteriaceae; CRP, carbapenem-resistant Pseudomonas; MBC, minimum bactericidal concentration; MDR, multidrug resistant; MRSA, methicillin-resistant Staphylococcus aureus.