Table 1.
FT-IR assignment of Nano-Silver Folate Caffeic Complex Compound
| Assigned (cm-1) | Vibrational mode | Functional group |
|---|---|---|
| 3545 | O-H stretching band | O-H of glutamic acid |
| 3416 | N-H stretching band | N-H of glutamic acid |
| 1694 | C=O stretching vibration | (C=O) carboxylic group |
| 1606 | NH- vibration | NH- |
| 1484 | stretching vibration | Phenyl & Pterin ring |
| 1640 | Carbonyl stretching vibration | Amide group (-CONH2) |
| 3431 | Stretching beak | Caffeic acid |
| 2985 | =CH stretching | Alkyl group CH2 |
| 2832 | C-H stretching | Alkyl group CH |
| 2562 | O-H stretching | (COOH) carboxylic group |
| 3231 | O-H stretching | O-H benzene ring |
| 1644 | C=O stretching | (COOH) carboxylic group |
| 3416 | OH stretching | (OH) Hydroxyl group |
| 1654 | C=O stretching | (-COOH) carboxylic group |