Toxicity induced by concentrations of sucralose, Acesulfame K. and their mixtures on Poecilia reticulata
Synopsis
The increased consumption of artificial sweeteners such as sucralose (SUC) and acesulfame-K (ACE-K) has raised concerns due to their presence in aquatic environments and potential ecotoxicological effects, posing a challenge to SDGs 6 and 12. This study aimed to estimate mortality rates and toxic effects induced by environmentally relevant concentrations of SUC, ACE-K, and their mixtures on Poecilia reticulata. Following OECD guideline #203, organisms were exposed for 96 hours to different treatments while behavioral responses were monitored. The results revealed significant temporal toxicity patterns, including hyperactivity, hypoactivity, abnormal surface and bottom behaviors, and a high incidence of abnormal feces, with exposure time being a critical factor. It was concluded that these sweeteners induced complex behavioral alterations in P. reticulata, highlighting their potential risk as emerging contaminants and emphasizing the need for multi-level toxicity assessments (cellular, tissue, embryological) in future studies.
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