Now showing items 1-4 of 4
Foamy macrophages in the liver of cattle fed Brachiaria brizantha hay
(Veterinary and Human Toxicology, 2003-06-01) [Artigo]
Liver and lymph nodes injuries characterized by clusters of foamy macrophages, some of them containing birefringent crystals, were observed in cattle fed on Brachiaria brizantha hay. The cattle were from an experimental ...
Effects of crude extracts of Agaricus blazei on DNA damage and on rat liver carcinogenesis induced by diethylnitrosamine
(Genetics and Molecular Research, 2003-12-01) [Artigo]
The effects of crude extracts of the mushroom Agaricus blazei Murrill (Agaricaceae) on both DNA damage and placental form glutathione S-transferase (GST-P)-positive liver foci induced by diethylnitrosamine (DEN) were ...
Anesthesia of fish with benzocaine does not interfere with comet assay results
(Mutation Research: Genetic Toxicology and Environmental Mutagenesis, 2003-01-10) [Artigo]
Fish blood erythrocytes are frequently used as sentinels in biomonitoring studies. Usually, fish blood is collected by painful cardiac or caudal vein punctures. Previous anesthesia could decrease animal suffering but it ...
Study on the mutagenicity and antimutagenicity of a natural food colour (annatto) in mouse bone marrow cells
(Food and Chemical Toxicology, 2003-02-01) [Artigo]
Most manufactured foods contain chemicals added as a deliberate part of the manufacturing process. The aims of the present study were to evaluate the mutagenicity and antimutagenicity of annatto, a natural pigment extracted ...