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

Table 5

FTIR spectra of flower n-hexane extract of Heliotropium bacciferum.

S. number	Peak values/wave number (cm^−1)	Type of bond	Functional group
1	3370	N–H stretch	1°, 2° amines, amides
2	2924	C–H stretch	Alkanes
3	2853	C–H stretch	Alkanes
4	1717	C=O stretch	Carboxylic acids
5	1464	C–C stretch in ring	Aromatic compounds
6	1258	C–N stretch	Aromatic amines
7	1240	C–N stretch	Aromatic amines
8	1177	C–N stretch	Aliphatic amines
9	1115	C–N stretch	Aliphatic amines
10	1034	=C–H bend	Alkenes
11	996	O–H bend	Carboxylic Acids
12	808	C–Cl stretch	Alkyl halides
13	588	C–Br tretch	Alkyl halides