Article
Genotoxic and mutagenic effects of guarana (Paullinia cupana) in prokaryotic organisms.
Mutation research - 1 May 1994
da Fonseca C A, Leal J, Costa S S, Leitão A C
Abstract excerpt
Aqueous extracts of Paullinia cupana (guarana), a species that belongs to the Sapindaceae family, were analyzed for the presence of genotoxic activities in bacterial cells. The extracts of guarana were genotoxic as assessed by lysogenic induction in Escherichia coli and they were also able to induce mutagenesis in Salmonella typhimurium. Addition of S9 microsomal fraction, catalase, superoxide dismutase or...
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