Modification of mutation processes in culture of human lymphocyte cells with tea extracts

The antimutagenic effectiveness of the extracts of tea leaf from the different stages of technological processing was investigated. The culture of human lymphocytes cells were used as test-object. The mutations have been induced by gamma-rays, N-methyl-N¹-nitro-N-nitrosoguanidine (MNNG) and benz-[a]-pyren. The all extracts showed an ability to decrease the frequency of aberrations of chromosomes and high effectiveness. The effectiveness of green tea leaf’s extracts was high in compare with effectiveness of extracts from the late stages of processing.

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