Ayala-Cabana, L. and De Santiago, A. and Meffe, R. and López-Heras, I. and De Bustamante, I. (2024) Pharmaceutical and Trace Metal Interaction within the Water–Soil–Plant Continuum: Implications for Human and Soil Health. Toxics, 12 (7). p. 457. ISSN 2305-6304
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Abstract
Unplanned water reuse for crop irrigation may pose a global health risk due to the entry of contaminants into the food chain, undesirable effects on crop quality, and impact on soil health.In this study, we evaluate the impact derived from the co-occurrence of pharmaceuticals (Phs), trace metals (TMs), and one metalloid within the water–soil–plant continuum through bioassay experiments with Lactuca sativa L. Results indicate that the co-occurrence of Phs and TMs has synergistic or antagonistic effects, depending on target contaminants and environmental compartments. Complex formations between drugs and TMs may be responsible for enhanced sorption onto the soil of several Phs and TMs. Concerning plant uptake, the co-occurrence of Phs and TMs exerts antagonistic and synergistic effects on carbamazepine and diazepam, respectively. With the exception of Cd, drugs exert an antagonistic effect on TMs, negatively affecting their uptake and translocation. Drug contents in lettuce edible parts do not pose any threat to human health, but Cd levels exceed the maximum limits set for leafy vegetable foodstuffs. Under Ph-TM conditions, lettuce biomass decreases, and a nutrient imbalance is observed. Soil enzyme activity is stimulated under Ph-TM conditions (β-galactosidase) and Ph and Ph-TM conditions (urease and arylsulfatase), or it is not affected (phosphatase).
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | pharmaceuticals; transformation products; trace metals; interaction; drug–metal complexes; interstitial water; soil; lettuce; human health risk assessment; soil health |
| Subjects: | Q Science > Q Science (General) Q Science > QD Chemistry S Agriculture > S Agriculture (General) S Agriculture > SB Plant culture |
| Depositing User: | Lesly Ayala |
| Date Deposited: | 28 Jun 2024 10:05 |
| Last Modified: | 28 Jun 2024 10:05 |
| URI: | http://eprints.imdea-agua.org:13000/id/eprint/1639 |
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