GPT and diabetes mellitus: Similarly, apparent reductions in the levels of alanine transaminase, aspartate transaminase, blood urea nitrogen, and urine microalbuminuria-excretion rate demonstrated the beneficial effects of both types of propolis on hepatorenal functions, suggesting that Chinese and Brazilian propolis can alleviate symptoms of diabetes mellitus in rats and that these effects may partially be due to their antioxidant ability [102].