Table 2 Measured content of illudane glycosides and corresponding pterosins in bracken ferns
From: Occurrence of carcinogenic illudane glycosides in drinking water wells
Location no | Country of origin | Sampling date | mg g−1 dry weight |  |  | |||
|---|---|---|---|---|---|---|---|---|
PTA | PtB | CAU | PtA | PTE | PtG | |||
1 | Denmark | 08.08.19 | 0.05 ± 0.01 | 0.01 ± 0.01 | – | – | – | – |
4 | Denmark | 07.08.19 | 1.10 ± 0.97 | 0.07 ± 0.05 | 0.12 ± 0.05 | 0.02 ± 0.02 | – | – |
6 | Denmark | 07.08.19 | 0.13 ± 0.01 | 0.02 ± 0.00 | – | 0.01 ± 0.00 | – | – |
7 | Denmark | 07.08.19 | 0.74 ± 0.23 | 0.11 ± 0.01 | 0.18 ± 0.02 | 0.11 ± 0.01 | – | – |
8 | Denmark | 07.08.19 | 0.10 ± 0.06 | 0.03 ± 0.02 | 0.04 ± 0.01 | 0.01 ± 0.01 | – | – |
12 | Denmark | 21.08.19 | 3.23 ± 1.50 | 0.18 ± 0.25 | 0.37 ± 0.19 | 0.08 ± 0.06 | – | – |
13 | Denmark | 21.08.19 | 0.63 ± 0.07 | 0.07 ± 0.01 | 0.07 ± 0.01 | 0.01 ± 0.01 | – | – |
17 | Denmark | 05.08.19 | 0.08 ± 0.03 | 0.01 ± 0.00 | – | – | – | – |
66 | Sweden | 13.10.19 | 0.24 ± 0.12 | – | 0.42 ± 0.07 | 0.01 ± 0.00 | – | – |
68 | Sweden | 01.08.19 | 3.19 ± 0.18 | 0.18 ± 0.03 | 0.10 ± 0.02 | 0.01 ± 0.01 | – | – |
69 | Sweden | 01.08.19 | 3.02 ± 0.19 | 0.45 ± 0.05 | 0.12 ± 0.01 | 0.11 ± 0.03 | – | – |