herpes simplex virus (hsv) is one of the common pathogenic viruses of humans bing. this study aimed to determin anti-herpes virus activity of mentha piperita extracts in vitro. mentha piperita extracts can inhibit hsv infection when the cells treated before viral adsorbtion. hsv-1 were also inhibited by menthol after viral adsorption. hsv-1 viral particles were directly inhibited and viral yiel...