Table 5 Functional Groups Identified by FTIR analysis of F. apodanthera Ethanol Extract
S/No | Absorption peak (cm−1) | Functional group | Assignment |
|---|---|---|---|
1 | 446.54 | R-I stretch | Alkyl halides |
2 | 563.23 | C-S stretch | Disulfides |
3 | 1075.35 | C-O-C | Cyclic ethers, large rings, C-O stretch |
4 | 1282.71 | P=O stretch | Organic nitrates or phosphates |
5 | 1434.12 | -CH3 | Methyl bend |
6 | 1642.44 | C=C stretch | Alkenes |
7 | 2112.12 | C ≡ C stretch | Alkyne |
8 | 2348.41 | C=O | Ketones |
9 | 2933.83 | >CH2, C-H | Alkane |
10 | 3435.34 | R-C(O)-OH | Carboxylic acid |
11 | 3938.77 | N-H stretch | Amine |