In Vitro Antimicrobial Bioassays, DPPH Radical Scavenging Activity, and FTIR Spectroscopy Analysis of Heliotropium bacciferum

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	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

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