Table 5.
S. No. | Frequency Range (cm−1) | Functional Groups | Phytocompounds Identified | ||
---|---|---|---|---|---|
UD | MC | MK | |||
1. | 3358.28 | 3327.40 | 3307.88 | H-bonded, OH stretching | Hydroxyl compounds |
2. | 2923.25 | 2921.90 | 2974.04 | Asymmetric stretching –CH(CH2) vibration |
Saturated aliphatic Compounds (Lipids) |
3. | 2853.54 | 2802.86 | 2804.74 | Symmetric stretching –CH2(CH2) vibration |
Proteins, lipids |
4. | 1698.70, 1622.77 |
1601.79 | 1611.44 | C=O stretching vibration | Ketone compound |
5. | 1455.85 | 1404.99 | - | C=C-C aromatic ring stretching | Aromatic compound |
6. | 1399.89 | - | 1396.51 | O-H, alcoholic group | Phenol or tertiary alcohol |
7. | - | 1271.82 | 1275.04 | CN stretching | Aromatic primary amine |
8. | 1160.88 | 1174.09 | 1140.63 | Polymeric OH, C-O stretching | Cyclic ether |
9. | 1055.84 | 1074.42, 1043.61 | 1044.62 | Phosphate ion | Phosphate compound |
10. | - | - | 877.47 | p-O-C stretching | Aromatic phosphate |
11. | 720.06 | 620.82 | 659.68 | C-Cl stretching | Aliphatic chloro compound |