Numerous plant compounds have antibacterial or antiviral properties; however, limited research has been conducted with nonenveloped viruses. The efficacies of allspice oil, lemongrass oil, and citral were evaluated against the nonenveloped murine norovirus (MNV), a human norovirus surrogate. The antiviral mechanisms of action were also examined using an RNase I protection assay, a host cell bin...

Os óleos essenciais são substâncias voláteis extraídas de diversas partes das plantas e com propriedades diversas, entre elas a ação inseticida ou repelente. Objetivou-se, esse trabalho, testar os citronela (Cymbopogon nardus L.), copaíba (Copaifera sp.) laranja (Citrus sinensis L.) como repelentes alternativos sobre Apis mellifera L. Realizou-se um bioensaio experimental 320 abelhas capturadas...

Abstract Themeda and Heteropogon are closely related grass genera frequently dominant in tropical C4 grasslands. Relationships between them poorly resolved, impeding ecological study, especially of T. triandra with a broad distribution from Africa to East Asia, H. contortus pantropical distribution. Our analyses plastome nuclear genomes comprehensive sampling demonstrate that neither genus is m...

Cymbopogon citratus belonging to the family Gramineae is an herb worldwide known as lemongrass. The prefix ‘lemon’ owes its typical lemon like odor, which mainly due presence of citral, a cyclic monoterpene. fast growing, perennial aromatic grass native South India and Sri Lanka, now widely cultivated in tropical areas America Asia. Freshly cut partially dried leaves are used medicinally source...