Table 1 Percent occurrence, retention time and mass signal of bufadienolides in common toad tadpoles
From: Age- and environment-dependent changes in chemical defences of larval and post-metamorphic toads
Compound name | Percent occurrence of bufadienolide compounds | retention time (min) | m/z [M + H]+ | ||||
|---|---|---|---|---|---|---|---|
stage 19 | stage 28 | stage 34 | stage 38 | stage 46 | |||
Arenobufagin | 10 | 67.5 | 90 | 95 | 43.6 | 4.5 | 417.2 |
Bufalin | - | 25 | 40 | 60 | 56.4 | 14.5 | 387.25 |
Bufotalin | 5 | 97.5 | 95 | 97.5 | 100 | 9.5 | 445.3 |
Gamabufotalin | - | - | 15 | 35 | 51.3 | 3.5 | 403.25 |
Resibufogenin | - | 12.5 | 5 | 17.5 | 15.4 | 19 | 385.25 |
Telocinobufagin | 22.5 | 37.5 | 47.5 | 70 | 100 | 8.7 | 403.25 |
unidentified bufadienolide 1 | - | 100 | 100 | 100 | 100 | 6.6 | 729.35 |
unidentified bufadienolide 2 | 2.5 | 95 | 92.5 | 95 | 100 | 7.5 | 727.3 |
unidentified bufadienolide 3 | - | 5 | - | 2.5 | 51.3 | 9.6 | 729 |
unidentified bufadienolide 4 | - | 92.5 | 100 | 100 | 100 | 10.6 | 715 |
unidentified bufadienolide 5 | - | 10 | 12.5 | 5 | - | 11.8 | 627.4 |
unidentified bufadienolide 6 | - | 72.5 | 72.5 | 60 | 94.9 | 12.3 | 713.3 |
unidentified bufadienolide 7 | - | 12.5 | 25 | 2.5 | 53.8 | 12.9 | 671.35 |
unidentified bufadienolide 8 | - | 85 | 90 | 85 | 76.9 | 13 | 743 |
unidentified bufadienolide 9 | - | 75 | 85 | 85 | - | 16.7 | 671.4 |
unidentified bufadienolide 10 | - | 100 | 85 | 82.5 | 97.4 | 16.9 | 757.3 |
unidentified bufadienolide 11 | 7.5 | 40 | 75 | 87.5 | 66.7 | 6 | 415.3 |
unidentified bufadienolide 12 | 2.5 | 100 | 97.5 | 100 | 56.4 | 18.6 | 573.15 |
unidentified bufadienolide 13 | 2.5 | 100 | 100 | 100 | 28.2 | 20 | 571.1 |
unidentified bufadienolide 14 | - | 100 | 100 | 95 | 82.1 | 21.7 | 367.1 |
unidentified bufadienolide 15 | 2.5 | 85 | 25 | 10 | 15.4 | 22.9 | 365.1 |
unidentified bufadienolide 16 | - | 100 | 100 | 97.5 | 84.6 | 24.6 | 601.15 |