Journal
DRUG AND CHEMICAL TOXICOLOGY
Volume 45, Issue 1, Pages 324-330Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/01480545.2019.1690499
Keywords
Bisphenol S; ROS; rat hepatocytes; curcuma; ginger mixture
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This study evaluates the antioxidant effect of a curcuma and ginger mixture on rat hepatocytes treated with bisphenol S (BPS). The results demonstrate that the mixture can reduce BPS-induced oxidative stress and restore control levels.
The use of bisphenol S (BPS) as a substitute of Bisphenol A is increasing in several products and it can be found in different environmental and biological matrices. Its toxicity has been studied at different levels and one of BPS toxic mechanisms at high concentrations seems to be the induction of oxidative stress through the generation of reactive oxygen species (ROS). This study evaluates the ability of a curcuma and ginger (CG) mixture to exert an antioxidant effect on rat hepatocytes treated with BPS. The effects of the mixture were compared to those of a well-known antioxidant (Trolox). Three different BPS concentrations were used in order to verify ROS production. 70 mu g/mL and 150 mu g/mL of BPS generated a significant ROS increase (p < 0.01) as compared to control, while CG mixture was able to decrease this ROS production in hepatic cells, as compared to cells treated with 70 mu g/ml of BPS (p < 0.01) restoring control levels. BPS 70 mu g/mL was tested for total antioxidant capacity (TEAC), superoxide dismutase (SOD) and total thiols. TEAC and SOD significant decreased (p < 0.05 and p < 0.01, respectively) as compared to controls and CG mixture was able to restore control values. Given the widespread BPS use, results obtained in this study can be of high impact for the community, demonstrating the ability of a mixture of natural products to prevent BPS-induced oxidative stress.
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