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. 2024 Jul;31(31):44308-44317.
doi: 10.1007/s11356-024-34125-9. Epub 2024 Jun 29.

Prospecting toxicity of the avobenzone sunscreen in plants

Sara Splendor Beijora  1 , Thalia Aparecida Correia Vaz  1 , Diego Espirito Santo  2 , Edson Araújo de Almeida  3 , Osvaldo Valarini Junior  4 , Mauro Parolin  5 , Regiane da Silva Gonzalez  6 , Débora Cristina de Souza  7 , Ana Paula Peron  8   9
Affiliations

Prospecting toxicity of the avobenzone sunscreen in plants

Sara Splendor Beijora et al. Environ Sci Pollut Res Int. 2024 Jul.

Abstract

Avobenzone (AVO) is a sunscreen with high global production and is constantly released into the environment. Incorporating sewage biosolids for fertilization purposes, the leaching from cultivated soils, and the use of wastewater for irrigation explain its presence in the soil. There is a lack of information about the impact of this sunscreen on plants. In the present study, the ecotoxicity of AVO was tested at concentrations 1, 10, 100, and 1,000 ng/L. All concentrations caused a reduction in root growth of Allium cepa, Cucumis sativus, and Lycopersicum esculentum seeds, as well as a mitodepressive effect, changes in the mitotic spindle and a reduction in root growth of A. cepa bulbs. The cell cycle was disturbed because AVO disarmed the enzymatic defense system of root meristems, leading to an accumulation of hydroxyl radicals and superoxides, besides lipid peroxidation in cells. Therefore, AVO shows a high potential to cause damage to plants and can negatively affect agricultural production and the growth of non-cultivated plants.

Keywords: Cellular changes; Ecotoxicity; Oxidative stress; Reduction of cell division; Solar filter.

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