Table 2.
Composition data for CBM propolis.
| Peak | Compounds | MW | [M − H]− | Retention Time (min) |
|---|---|---|---|---|
| 1 | caffeic acid | 180 | 179.1 | 13.694 |
| 2 | p-coumaric acid | 164 | 163.1 | 20.693 |
| 3 | ferulic acid | 194 | 193.1 | 23.646 |
| 4 | isoferulic acid | 194 | 193.1 | 26.474 |
| 5 | 3,4-dimethoxycinnamic acid | 208 | 207.1 | 35.903 |
| 6 | pinobanksin | 272 | 271.1 | 46.894 |
| 7 | naringenin | 272 | 271.1 | 48.358 |
| 8 | quercetin | 302 | 301.1 | 52.910 |
| 9 | kaempferol | 286 | 285.1 | 60.956 |
| 10 | apigenin | 270 | 269.1 | 64.924 |
| 11 | pinocembrin | 256 | 255.1 | 73.517 |
| 12 | benzyl caffeate | 270 | 269.1 | 76.338 |
| 13 | 3-O-acetylpinobanksin | 314 | 313.1 | 79.337 |
| 14 | chrysin | 254 | 253.1 | 84.079 |
| 15 | CAPE | 284 | 283.1 | 86.048 |
| 16 | galangin | 270 | 269.1 | 87.329 |