METHODOLOGY FOR THE TESTING OF FOOD DYES FOR GENOTOXIC ACTIVITY - EXPERIMENTS WITH RED 2G (CI-18050)

被引:15
作者
HAVELANDSMITH, RB [1 ]
COMBES, RD [1 ]
BRIDGES, BA [1 ]
机构
[1] UNIV SUSSEX,MRC,CELL MUTAT UNIT,BRIGHTON BN1 9QG,E SUSSEX,ENGLAND
来源
MUTATION RESEARCH | 1979年 / 64卷 / 04期
关键词
D O I
10.1016/0165-1161(79)90093-1
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
A methodology for investigating genotoxicity of food colours using the fluctuation and DNA-repair assays with bacteria is described. In addition, a liquid repair test, developed to permit incorporation of microsomes and the quantitative estimation of cell viability, has been characterised with a number of positive control agents. Results obtained in these systems suggest that the food colour Red 2G induces repairable DNA damage and base-substitution mutation, but only in the presence of a rat-liver microsomal preparation. The significance of the data in the light of other toxicological information is discussed. © 1979.
引用
收藏
页码:241 / 248
页数:8
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