In-vitro Antioxidant Potential of a Herbal Preparation Containing Four Selected Medicinal Plants

Background: the therapeutic effects of several plants used in traditional medicine, are usually attributed to their antioxidant properties. aim and objective: to evaluate the in-vitro antioxidant potential of herbal preparation a combination of four selected medicinal plants (hp-4) using different experimental models. material and methods: polyphenols, flavonoids and flavonols concentrations and anti- oxidant activity of herbal preparation (hp-4) as compared to butylated hydroxyl toluene (bht) and a- tocopherol in various experimental models were evaluated. results: the anti oxidant activities of hp-4 were concentration dependent in different experimental models and were comparable to activities of bht and a- tocopherol. conclusion: polyherbal formulation of hp-4 is better than individual plant extracts