Chronic toxicity/carcinogenicity studies of FD & C Yellow No. 5 (tartrazine) in rats. 1988

J F Borzelleca, and J B Hallagan
Medical College of Virginia, Department of Pharmacology and Toxicology, Richmond 23298.

FD & C Yellow No. 5 was fed to Charles River CD rats as a dietary admixture in two long-term toxicity/carcinogenicity studies. The studies were conducted with an in utero phase in which the compound was administered to the F0 generation rats (60/sex/group) at levels of 0.0, 0.0, 0.1, 1.0 or 2.0% ('original study') and 0.0 or 5.0% ('high-dose study'). The concurrent control groups received the basal diet. After random selection of the F1 animals, the long-term phase was initiated using the same dietary levels with 70 rats of each sex/group, including the three control groups. The maximum exposure to the colouring was 113 and 114 wk for males and females, respectively, in the 'original' study and 122 and 125 wk for males and females, respectively, in the 'high-dose' study. No compound-related effects were noted. The no-adverse-effect level found in this study was 5.0% in the diet providing an average intake of 2641 and 3348 mg/kg/day for male and female rats, respectively.

UI MeSH Term Description Entries
D008297 Male Males
D009152 Mutagenicity Tests Tests of chemical substances and physical agents for mutagenic potential. They include microbial, insect, mammalian cell, and whole animal tests. Genetic Toxicity Tests,Genotoxicity Tests,Mutagen Screening,Tests, Genetic Toxicity,Toxicity Tests, Genetic,Genetic Toxicity Test,Genotoxicity Test,Mutagen Screenings,Mutagenicity Test,Screening, Mutagen,Screenings, Mutagen,Test, Genotoxicity,Tests, Genotoxicity,Toxicity Test, Genetic
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D001835 Body Weight The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms. Body Weights,Weight, Body,Weights, Body
D002273 Carcinogens Substances that increase the risk of NEOPLASMS in humans or animals. Both genotoxic chemicals, which affect DNA directly, and nongenotoxic chemicals, which induce neoplasms by other mechanism, are included. Carcinogen,Oncogen,Oncogens,Tumor Initiator,Tumor Initiators,Tumor Promoter,Tumor Promoters,Initiator, Tumor,Initiators, Tumor,Promoter, Tumor,Promoters, Tumor
D005260 Female Females
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001391 Azo Compounds Organic chemicals where aryl or alkyl groups are joined by two nitrogen atoms through a double bond (R-N Azo Dye,Azo Dyes,Compounds, Azo,Dye, Azo,Dyes, Azo
D013645 Tartrazine An anionic, hydrophilic azo dye with an orange-yellow color used in fabrics, foods and cosmetics, and as a biological stain. FD & C Yellow No. 5,FD&C Yellow No. 5,Tartrazine Barium,Tartrazine Barium (2:3),Barium, Tartrazine
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor

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