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    Thymoquinone played a protective role against tartrazine- induced
    (Mashhad Univ Med Sciences, 2023) Demircigil, Nursena; Gul, Mehmet; Gokturk, Nurcan; Kustepe, Elif Kayhan; Bag, Harika Gozukara; Erman, Mehmet
    Objective(s): The current study, the first of its kind in the literature, aimed to observe the toxic effects of Tartrazine, a commonly used dyestuff in industries and foods, on the liver, and investigate whether this toxicity could be eliminated with thymoquinone coadministration. Materials and Methods: 32 male Wistar albino rats were procured from Inonu University Experimental Animals Breeding and Research Center. The rats were randomly assigned to 4 equal groups: Control group, Thymoquinone group, Tartrazine group, and Thymoquinone + Tartrazine group. Rat liver tissue and blood samples were obtained and biochemical and histopathological examinations were conducted on the samples. Results: Tartrazine administration increased the oxidant (malondialdehyde and superoxide dismutase) and oxidative stress index parameters (total oxidant status) in the liver tissue and decreased the antioxidant parameters (glutathione, glutathione peroxidase, catalase, and total antioxidant status) leading to histopathological problems (hematoxylin-eosin staining and Caspase-3 immunoreactivity) and inflammation (tumor necrosis factor-alpha and interleukin-6) in the serum samples. Thymoquinone, on the other hand, improved antioxidant and anti-inflammatory effects. Conclusion: At this time and dose, thymoquinone has a protective effect against tartrazine hepatotoxicity. Thymoquinone can be used as a protective agent against tartrazine toxicity.