Inhibition of benzo[a]pyrene induced mutagenicity and genotoxicity by black tea polyphenols theaflavins and thearubigins in multiple test systems
| Autor: | Ashok K. Giri, Sibabrata Mukhopadhyay, Swapan Pramanick, Babli Halder |
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| Rok vydání: | 2005 |
| Předmět: |
Male
Bone Marrow Cells Sister chromatid exchange Toxicology medicine.disease_cause Antioxidants Catechin Mice chemistry.chemical_compound Phenols Salmonella In vivo Benzo(a)pyrene medicine Animals Biflavonoids Drug Interactions Theaflavin Carcinogen Chromosome Aberrations Flavonoids Tea Mutagenicity Tests Chemistry Polyphenols General Medicine Molecular biology Biochemistry Polyphenol Sister Chromatid Exchange Antimutagen Genotoxicity Food Science |
| Zdroj: | Food and Chemical Toxicology. 43:591-597 |
| ISSN: | 0278-6915 |
| DOI: | 10.1016/j.fct.2005.01.002 |
| Popis: | This study investigated the antimutagenic and anticlastogenic effects of black tea polyphenols, theaflavins (TF) and thearubigins (TR) in Salmonella assay in vitro and in vivo in bone marrow cells of mice as measured by chromosomal aberrations (CA) and sister chromatid exchange (SCE) against a known carcinogen, benzo[a]pyrene (B[a]P). A significant decrease in mutagenicity in Salmonella assay and both CA and SCE were observed in all the different concentrations of TF and TR plus B[a]P treated series when compared with B[a]P treated group alone. These results indicate that both TF and TR have significant antimutagenic and anticlastogenic effects. |
| Databáze: | OpenAIRE |
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