Physicochemical properties and biological evaluation of Yoyo bitters.

Background: The current widespread distribution and use of Yoyo bitters; an herbal bitters made in Nigeria calls for an assessment of its content, efficacy and extent to which this product achieves the labelled claim of being an herbal cleanser.

Methods: The pH, analysis for trace metal and preliminary phytochemicals screening were assessed. In addition, the total phenolic acid content, antioxidant activity using DPPH inhibition and microbiological assay were evaluated using standard procedures.

Synergistic effect of aqueous extract of Telfaria occidentalis on the biological activities of artesunate in Plasmodium berghei infected mice.

Background: Resistance to most antimalarial drugs has encouraged the use of herbal preparations along with prescribed orthodox drugs.

Objective: To investigate effect of co-administration of aqueous extract of T. occidentalis leaves; commonly used as antimalarial and haematinic agent in Nigeria and artesunate using P.

Synergistic effect of aqueous extract of Telfaria occidentalis on the biological activities of artesunate in Plasmodium berghei infected mice.

Background: Resistance to most antimalarial drugs has encouraged the use of herbal preparations along with prescribed orthodox drugs.

Objective: this study investigated effect of co-administration of aqueous extract of T. occidentalis leaves, commonly used as antimalarial and haematinic agent in Nigeria, and artesunate using P.