Abstract Background An extract from Spatholobus suberectus (S. suberectus) Dunn has
been reported to show potent antimutagenic effects against N-alkyl-N-nitrosoureas in umu …

Background A powdered ethanolic extract of Glycyrrhiza aspera root exhibits antimutagenic
activity against N-methyl-N-nitrosourea (MNU) based on the Ames assay with Salmonella …

A methanol extract from Dendrobium nobile showed a suppressive effect on umu gene
expression of the SOS response in Salmonella typhimurium TA1535/pSK1002 against the …

Antimutagenesis against N-nitroso compounds contribute to prevention of human cancer.
We have found that Glycyrrhiza aspera ethanolic extract exhibits antimutagenic activity …

N-Nitroso compounds are suspected to be causative agents for human cancer. N-Methyl-N-
nitrosourea (MNU) is a typical direct acting mutagen with alkylation activity of DNA, and has …

A methanol extract from Pueraria lobata showed a suppressive effect on umu gene
expression of the SOS response in Salmonella typhimurium TA1535/pSK1002 against the …

The mutagenic potential of total aqueous, total oligomers flavonoids (TOF), ethyl acetate
(EA), chloroform (Chl), petroleum ether (PE) and methanol (MeOH) extracts from aerial parts …

A bibenzyl compound that possesses antimutagenic activity was isolated from the storage
stem of Dendrobium nobile. The isolated compound suppressed the expression of the umu …

Chemical investigation of root bark of Glycosmis pentaphylla and stem bark of
Tabernaemontana coronaria led to the isolation of three carbazole alkaloids glycozoline …

Four extracts were prepared from the leaves of Nitraria retusa; methanol, ethyl acetate,
chloroform and hexane extracts. An assay for the ability of these extracts to prevent …