Calendula officinalis L., Psidium guajava L., Eucaliptus spp. y Phyllanthus orbicularis HBK against the hepatitis B virus were evaluated at subtoxic concentrations in the in vitro PLC/PRF/5 system or Alexander cells, a cell line expressing constitutively the virus surface antigen (AgsHB). The cell
The methanol crude extract of the bark of Psidium guajava (guava) previously displayed interesting cytotoxic effects on a panel of human cancer cell lines. In the present work, we plan to determine the toxicological effects of this guava botanical in Wistar rats. Acute oral toxicity of the
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