Table 2.
FTIR frequency/intensity table for ethanol, water and ethanol/water extracts of Cymbopogon citratus and Azadirachta indica leaves.
| FTIR Absorption frequency (cm-1)/intensity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| C. citratusextracts | |||||||||||
| Ethanol | 881 (m) | 1048 (s) | 1089 (m) | 1275 (w) | 1383 (w) | 1640 (w) | 2929 (w) | 2974 (w) | 3357(m,b) | – | – |
| Ethanol/water | 881 (m) | 1048 (m) | 1089 (w) | – | – | 1640 (m) | – | 2891 (w) | 3316 (s,b) | – | – |
| Water | – | – | – | – | – | 1640 (m) | – | – | 3316 (s,b) | – | – |
| A. indicaextracts | |||||||||||
| Ethanol | 881 (m) | 1048 (s) | 1089 (m) | 1383 (w) | 1640 (w) | 2892 (w) | 2929 (w) | 2974 (w) | 3361(m,b) | – | – |
| Ethanol/water | 881 (w) | 1048 (w) | 1089 (w) | – | 1640 (m) | – | – | – | 3264(s,b) | – | – |
| Water | – | – | – | – | 1637 (m) | – | – | – | 3331(s,b) | – | – |
m – medium, s – strong, w – weak, b – broad.