Research Article
Bio-Functional Potential and Biochemical Properties of Propolis Collected from Different Regions of Balochistan Province of Pakistan
Table 4
Fourier Transform infrared analysis of propolis extract.
| | Range (cmā1) | Type of signal | Type of link | Main attribution |
| | 3740-3550 | Elongation | O-H and N-H | Hydroxyls and amino acids | | 3366-3333 | Stretching | O-H | Phenolic groups | | 3000-3200 | Stretching | C-H, aromatics | Flavonoids and aromatic rings | | 2971-2830 and 2730-2066 | Elongation symmetric and asymmetric | C-H | Hydrocarbons | | 1699-1610 | Asymmetric bending vibrations | C=O | Lipids, flavonoids and amino acids | | 1560-1505 | Elongation | C=C, aromatics | Flavonoids and aromatic rings | | 1450-1415 | Bending vibrations | C-H, C-H2 and C-H3 | Flavonoids and aromatic rings | | 1399-1310 | Bending vibration | C-H | CH3 group of flavonoids | | 1232-1200 | Bending vibration (O-H) and asymmetrically bending (C-CO) | O-H and C-CO | Hydrocarbons | | 1198-1000 | Stretching vibration (C-C) and bending (C-OH) | C-C and C-OH | Flavonoids and secondary alcohol groups |
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