Table 11.

Growth Inhibition on bioautographic TLC plates by Heliotropium bacciferum leaves, flowers, and stem extracts against different fungal strains.

Plant parts	Fungal species	Solvent system	Extracts	R f values	Inhibition	Active bands
Leaves	Aspergillus niger	EMW	Methanol	0.62	+	1
			n-Hexane	0.44	++	1
			Chloroform	0.38, 0.41	+	2
			Ethyl acetate	0.82	+++	1
			n-Butanol	0.34, 0.42	++	2
			Aqueous	0.27	+	1
	Aspergillus flavus	CEF	Methanol	0.72	++	1
			n-Hexane	−	−	−
			Chloroform	0.63	++	2
			Ethyl acetate	0.70, 0.66	++	2
			n-Butanol	0.43	+	1
			Aqueous	0.32	++	1
Flowers	Aspergillus parasiticus	BEA	Methanol	0.53	+++	1
			n-Hexane	0.47, 0.37, 0.41	++	3
			Chloroform	−	−	−
			Ethyl acetate	0.60	+	1
			n-Butanol	0.43	++	1
			Aqueous	0.38	+	1
	Aspergillus oryzae	EMW	Methanol	0.64, 0.72	+++	2
			n-Hexane	0.55	++	1
			Chloroform	0.42	+	1
			Ethyl acetate	0.44	++	1
			n-Butanol	0.35	+	1
			Aqueous	0.54	++	1
Stem	Aspergillus fumigatus	CEF	Methanol	0.68	++	1
			n-Hexane	0.42	+	1
			Chloroform	0.51	++	1
			Ethyl acetate	0.73, 0.69	+++	2
			n-Butanol	−	−	−
			Aqueous	0.39	++	1

   R _f: retardation factor; −: inactive component; +: small inhibition; ++: moderate inhibition; and +++: high inhibition.