Table 3.
Functional groups identified with FT-IR analysis in dichloromethane extract of L. aspera
| S. No. | Peak | Compound class | Group |
|---|---|---|---|
| 1 | 713.66 | benzene derivative | C–H bending |
| 2 | 848.68 | alkane-trisubstituted | C=C bending |
| 3 | 1105.21 | amine | C–N stretching |
| 4 | 1166.93 | ester | C–O stretching |
| 5 | 1276.88 | aromatic ester | C–O stretching |
| 6 | 1373.32 | aromatic amine | C–N stretching |
| 7 | 1450.47 | alkane-methyl group | C–H bending |
| 8 | 1514.12 | nitro compound | N–O stretching |
| 9 | 1604.77 | amine | N–H bending |
| 10 | 1708.93 | aliphatic ketone | C=O stretching |
| 11 | 2854.65 | alcohol | O–H stretching |
| 12 | 2922.16 | carboxylic acid | O–H stretching |