Occurrence of carcinogenic illudane glycosides in drinking water wells
Research output: Contribution to journal › Journal article › Research › peer-review
Standard
Occurrence of carcinogenic illudane glycosides in drinking water wells. / Skrbic, Natasa; Kisielius, Vaidotas; Pedersen, Ann Katrin; Christensen, Sarah C.B.; Hedegaard, Mathilde J.; Hansen, Hans Christian Bruun; Rasmussen, Lars Holm.
In: Environmental Sciences Europe, Vol. 33, 44, 2021.Research output: Contribution to journal › Journal article › Research › peer-review
Harvard
APA
Vancouver
Author
Bibtex
}
RIS
TY - JOUR
T1 - Occurrence of carcinogenic illudane glycosides in drinking water wells
AU - Skrbic, Natasa
AU - Kisielius, Vaidotas
AU - Pedersen, Ann Katrin
AU - Christensen, Sarah C.B.
AU - Hedegaard, Mathilde J.
AU - Hansen, Hans Christian Bruun
AU - Rasmussen, Lars Holm
PY - 2021
Y1 - 2021
N2 - Background: Ptaquiloside (PTA), caudatoside (CAU) and ptesculentoside (PTE) are carcinogenic illudane glycosides found in bracken ferns (Pteridium spp.) world-wide. The environmentally mobile PTA entails both acute and chronic toxicity. A comparable risk might be associated with the structurally similar CAU and PTE. It is of great health concern if these compounds are present in drinking water, however, it is currently unknown if these compounds can detected in wells in bracken-dominated regions. This study investigates the presence of PTA, CAU, PTE, and their corresponding hydrolysis products pterosins B (PtB), A (PtA) and G (PtG) in water wells in Denmark, Sweden and Spain. Water samples from a total of 77 deep groundwater wells (40–100 m) and shallow water wells (8–40 m) were collected and preserved in the field, pre-concentrated in the laboratory and analysed by liquid chromatography–mass spectrometry (LC–MS). Results: Deep groundwater wells contained neither illudane glycosides nor their pterosins. However, seven private shallow wells contained at least one of the illudane glycosides and/or pterosins at concentrations up to 0.27 µg L−1 (PTA), 0.75 µg L−1 (CAU), 0.05 µg L−1 (PtB), 0.03 µg L−1 (PtA) and 0.28 µg L−1 (PtG). This is the first finding of illudane glycosides and pterosins in drinking water wells. Conclusions: Detected concentrations of illudane glycosides in some of investigated wells exceeded the suggested maximum tolerable concentrations of PTA, although they were used for drinking water purpose. Contaminated wells were shallow with neutral pH and lower electric conductivity compared to deep groundwater wells with no illudane glycosides nor pterosins.
AB - Background: Ptaquiloside (PTA), caudatoside (CAU) and ptesculentoside (PTE) are carcinogenic illudane glycosides found in bracken ferns (Pteridium spp.) world-wide. The environmentally mobile PTA entails both acute and chronic toxicity. A comparable risk might be associated with the structurally similar CAU and PTE. It is of great health concern if these compounds are present in drinking water, however, it is currently unknown if these compounds can detected in wells in bracken-dominated regions. This study investigates the presence of PTA, CAU, PTE, and their corresponding hydrolysis products pterosins B (PtB), A (PtA) and G (PtG) in water wells in Denmark, Sweden and Spain. Water samples from a total of 77 deep groundwater wells (40–100 m) and shallow water wells (8–40 m) were collected and preserved in the field, pre-concentrated in the laboratory and analysed by liquid chromatography–mass spectrometry (LC–MS). Results: Deep groundwater wells contained neither illudane glycosides nor their pterosins. However, seven private shallow wells contained at least one of the illudane glycosides and/or pterosins at concentrations up to 0.27 µg L−1 (PTA), 0.75 µg L−1 (CAU), 0.05 µg L−1 (PtB), 0.03 µg L−1 (PtA) and 0.28 µg L−1 (PtG). This is the first finding of illudane glycosides and pterosins in drinking water wells. Conclusions: Detected concentrations of illudane glycosides in some of investigated wells exceeded the suggested maximum tolerable concentrations of PTA, although they were used for drinking water purpose. Contaminated wells were shallow with neutral pH and lower electric conductivity compared to deep groundwater wells with no illudane glycosides nor pterosins.
KW - Caudatoside
KW - Emerging contaminants
KW - Ptaquiloside
KW - Pterosins
KW - Ptesculentoside
KW - Water quality
U2 - 10.1186/s12302-021-00486-y
DO - 10.1186/s12302-021-00486-y
M3 - Journal article
AN - SCOPUS:85104035456
VL - 33
JO - Environmental Sciences Europe
JF - Environmental Sciences Europe
SN - 2190-4707
M1 - 44
ER -
ID: 261054590