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

Table 3

Antioxidant activities of flower extracts of Heliotropium bacciferum.

Plant extracts	Quantity (µg/mL), mean value ± standard deviation
	Antioxidant activity (%)
	25	75	125	175	225
Crude	70.73 ± 0.58	73.55 ± 0.79	75.12 ± 0.66	81.72 ± 0.82	85.75 ± 0.52
n-Hexane	65.47 ± 0.67	68.49 ± 0.48	73.86 ± 0.83	78.56 ± 0.71	80.69 ± 0.80
Chloroform	70.54 ± 0.49	74.35 ± 0.54	76.26 ± 0.70	82.78 ± 0.68	86.34 ± 0.75
Ethyl Acetate	71.27 ± 0.35	75.98 ± 0.48	77.27 ± 0.64	83.34 ± 0.59	88.27 ± 0.81
n-Butanol	66.33 ± 0.51	70.74 ± 0.62	74.47 ± 0.66	78.54 ± 0.82	81.14 ± 0.94
Aqueous	46.19 ± 0.37	58.82 ± 0.42	65.63 ± 0.73	69.33 ± 0.60	72.36 ± 0.84
Control	75.12 ± 0.42	80.92 ± 0.56	86.35 ± 0.68	88.32 ± 0.52	91.58 ± 0.83