Table 1 Assignment of FTIR signals for B. frutescens leaves and branches extracts in hexane, H and B70
From: The cytotoxic effect of Baeckea frustescens extracts in eliminating hypoxic breast cancer cells
Frequency (cm−1) |  | Type of bond | Functional group |
|---|---|---|---|
HX | B70 | Â | Â |
|  | 3426 | O–H | Alcohol |
2917, 2858 | 2995, 2911 | C-H, C≡C | Alkene, Alkyne |
1653,1602 | 1654 | C=O, C=C | Alkene, carbonyl |
1457, 1383 | 1447,1441 | C=C | Aromatic rings |
| Â | 1315 | C-O | Ether, ester or carboxylic acid |
|  | 1028 | C–OH | Secondary alcohol functional group |
|  | 956 | C–OH | Primary alcohol functional group |