Table 4.

Antibacterial activity of selected extracts from banana cultivars against Gram-negatives (relative inhibition in %).

ITC/Cultivar Name/Plant Part	A. hydrophila			E. coli			S. enterica			S. sonnei
	A	E	H	A	E	H	A	E	H	A	E	H
ITC0346-Giant Cavendish-leaf	−21	−20	−15	34	77	54	134	86	70	34	35	54
ITC1356-Mbwazirume-leaf	−17	−10	−16	−83	−45	−20	48	99	54	67	−34	33
ITC0654-Petite naine-leaf	95	−9	14	−38	−30	−52	38	−5	65	74	−1	35
ITC0101-Fougamou-leaf	−23	−9	−8	−56	19	−5	128	90	77	56	−56	−6
ITC1138-Saba-leaf	−23	−9	−20	−28	−37	−32	72	10	38	122	−56	0
ITC0472-Pelipita-leaf	−23	−10	76	−1	−36	−22	32	27	35	6	90	82
ITC0652-KlueTiparot-leaf	−20	−17	53	1	−43	−34	83	97	92	65	−73	59
ITC0643-Cachaco-leaf	−16	−16	18	9	−39	9	96	39	115	34	−36	89
ITC0767-Dole-leaf	−27	−18	81	−58	−47	−31	44	95	93	62	−68	36
ITC0346-Giant Cavendish-pseudostem	−23	−17	−23	−2	112	−12	81	81	73	1	−3	−13
ITC1356-Mbwazirume-pseudostem	−24	−28	−8	−39	−48	−36	94	69	58	4	5	−14
ITC0654-Petite naine-pseudostem	−8	75	85	−46	−55	−70	27	−38	−46	0	5	−14
ITC0101-Fougamou-pseudostem	−23	−11	−13	−14	115	0	102	33	77	2	−15	0
ITC0659-Namwah Khom-pseudostem	−15	68	66	−27	113	−5	30	49	123	89	96	56
ITC0346-Giant Cavendish-corm	55	−19	12	0	100	−7	67	76	0	−19	1	−7
ITC0654-Petite naine-corm	25	−15	48	70	−54	−48	135	13	16	8	−4	6
ITC1138-Saba corm	73	77	−2	−47	−38	−24	43	4	17	98	15	−27
ITC0643-Cachaco-corm	−22	−5	−11	−49	27	48	32	65	31	5	110	−22

E—Ethanol, A—Acetone, H—Hexane. Growth inhibition (%) data were rounded to the nearest integer. Single-underlined values represent inhibition above 50%. All four Gram-negative strains exhibited 100% inhibition when tested with ciprofloxacin (20 µg/mL).