Antimicrobial activities of the methanol extract and compounds from the twigs of Dorstenia mannii (Moraceae)

Table 1 Minimal inhibitory concentrations (MIC in μg/ml) of the studied samples and reference antibiotics against the tested microorganisms

Tested samples*	Microorganisms, strains and MIC (μg/ml)
	E. coli		P. aeruginosa		K. pneumoniae		E.aerogenes		P. stuartii	C. albicans	M. smegmatis	M. tuberculosis
	ATCC10536	AG100	PA01	PA124	ATCC11296	KP55	ATCC13048	CM64	NAE16	ATCC 9002	ATCC 700084	ATCC 27294	MTCS1	MTCS2
DMT	256	512	512	1024	128	512	128	512	128	64	128	128	1024	512
1	512	-	-	-	-	-	128	-	128	-	-	NT	NT	NT
2	128	128	-	-	-	-	-	-	1024	-	512	512	-	-
3	64	64	4	64	128	64	32	64	16	64	64	32	128	32
4	-	-	128	-	512	-	-	-	1024	-	-	NT	NT	NT
5	512	-	-	-	1024	-	32	-	128	32	-	NT	NT	NT
6	512	128	512	-	128	-	16	-	256	8	-	NT	NT	NT
7	4	256	32	-	8	64	16	-	64	16	128	128	256	128
8	16	128	8	32	128	32	64	32	32	128	64	64	64	64
9	-	-	-	-	-	-	256	-	256	32	128	256	-	512
RA^b	2	8	64	32	8	4	8	4	32	16	0.5	0.5	64	2

^aTested samples [DMT: methanol extract from the twigs of Dorstenia mannii; dorsmanins A(1), B(2), C(3), D(4) E(6), F(7), G(8), I (9) and 6,8 diprenyleriodictyol (5); ^bRA : reference antibiotics were chloramphenicol for bacteria, nystatin for C. albicans, ciprofloxacin for M. smegmatis, isoniazid for M.tuberculosis; (−): MIC > 1024 μg/ml

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