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Magrin, Camila Pesenato; Saldaña-Serrano, Miguel; Bainy, Afonso Celso Dias; Vitali, Luciano; Micke, Gustavo Amadeu
Chemosphere (Oxford), September 2024, 2024-09-00, 20240901, Letnik: 363Journal Article
Benzophenone-3 (BP-3), utilized as a UV filter in cosmetic products, is an emerging contaminant that constitutes a threat to natural resources and environmental health. This study investigated the assimilation of the UV filter BP-3 in Crassostrea gigas oysters collected in Florianópolis, Santa Catarina, Brazil. Lyophilized oyster tissue extracts were prepared using the QuEChERS method, and LC-MS/MS was employed to determine the BP-3 concentration in the samples. The method was applied to specimens intentionally exposed to two concentrations of the contaminant, for different periods of exposure (1 and 7 days). Samples from treatment 1 (T1) were exposed to a concentration of 1 μg L−1 of the BP-3 standard, and samples from treatment 2 (T2) were exposed to a concentration of 100 μg L−1 of the BP-3 standard. The results revealed rapid absorption of BP-3, with an increase of 126% for lower concentrations, reaching 1.13 μg of BP-3 per gram of oyster tissue, and 17% for higher concentrations, reaching 34.6 μg of BP-3 per gram of oyster tissue after 7 days. The presence of BP-3 even in samples not directly exposed to the contaminant indicates its widespread environmental distribution. The rapid bioaccumulation suggests the need to consider seasonal variations, such as increased tourism in the summer. The validated analytical method demonstrated efficacy in quantifying BP-3, providing an integrated approach for long-term monitoring of pollution levels and their dynamic variations over time. In addition, variation in BP-3 levels in the samples may be related to transport patterns influenced by tides and discharges from septic system, highlighting the need to improve wastewater treatment. These findings underscore the necessity for continuous biomonitoring and effective environmental management to safeguard the health of marine ecosystems and humans. Display omitted •LC-MS/MS was optimized and validated for the extraction of analyte in oysters.•The recovery of the analyte was 89–101% confirming the accuracy of the method.•Benzophenone-3 was detected and quantified in the soft tissue of oysters.•Oysters are shown to be optimal biomonitors of benzophenone-3.
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