Abstract
On a culture of human peripheral blood lymphocytes, antimutagenic activity of a composition from extracts of green tea leaves and Caucasian persimmon fruits was established with a modification of the mutation process induced by chemical compounds producing an alkylating effect (nitrosomethylurea and sodium fluoride). A concentration dependence of the antimutagenic efficiency of the studied phytocomposite was shown. The highest antimutagenic efficiency was observed when a combination of green tea extract at a concentration of 0.01 μg/ml and persimmon fruit extract at a concentration of 0.001 μg/ml were used. Moreover, this combination was most effective against mutations induced by both nitrosomethylurea and sodium fluoride: the antimutagen efficiency factor was 0.53 and 0.55, respectively.
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