Coordenação de Aperfeiçoamento de Pessoal de Nível Superior; Infection with hepatitis A virus (HAV) occurs worldwide and is the most common cause of acute viral hepatitis. The highest prevalence of this infection is seen where low standards of sanitation are adopted. Acquired primarily by the fecaloral route, HAV infection is easily disseminated, either by person-to-person contact or by ingestion of contaminate...
Essential oils are complex systems which consist mainly of volatile compounds of lipophilic source, as terpenes, sesquiterpenes and some non-terpenes [1]. Resulting from secondary metabolism, essential oil from Croton argyrophyllus (EOCA) is commonly extracted from its leaves. It is known that the essential oils from Croton species exhibit good antioxidant activity against DPPH free radical and reactive oxygen ...
Dengue fever and schistosomiasis are major public health issues for which vector control using larvicide and molluscicide substances present in plants provides a promising strategy. This study evaluated the potential toxicity of the extract of hydroethanol Schinopsis brasiliensis Engl., Anacardiaceae, stem bark and its chloroform, hexane, ethyl acetate, and hydromethanol fractions against Artemia salina and Aed...