Table 6.

MICs of H. sabdariffa and B. oleracea pigments against pathogenic fungi using well diffusion assay.

Microorganisms	Inhibition Zone (mm)
	0	100	200	300	400	500
H. sabdariffa pigment
A. ochraceus	−ve	23 ± 2.0 c	30 ± 3.0 bc	34 ± 3.0 b	35 ± 3.0 b	40 ± 5.0 a
F. oxysporum	−ve	12 ± 1.0 d	15 ± 1.5 c	20 ± 2.0 b	25 ± 2.0 a	26 ± 2.0 a
P. expansum	−ve	9 ± 0.5 c	20 ± 2 b	21 ± 2.0 b	28 ± 2.5 a	32 ± 3.0 a
P. citrinum	−ve	13 ± 1.5 d	25 ± 3.0 c	32 ± 3.0 b	33 ± 3.0 b	38 ± 4.0 a
B. oleracea pigment
A. ochraceus	−ve	−ve	−ve	−ve	13 ± 2.0 b	15 ± 1.0 a
F. oxysporum	−ve	−ve	−ve	9 ± 1.0 c	11 ± 1.0 b	18 ± 2.0 a
P. expansum	−ve	−ve	−ve	−ve	−ve	−ve
P. citrinum	−ve	−ve	−ve	−ve	−ve	−ve

−ve: No inhibition zone. Mean in the same row having different letters are significantly different (p ≤ 0.05).