The present application relates to a method for obtaining and purifying saponins from plant extracts, through a series of salting and fiitrations steps, to provide high purity saponin extracts on large scale.La presente solicitud se refiere a un método para obtener y purificar saponinas de extractos vegetales, a través de una serie de pasos de saladura y filtraciones, para proporcionar extractos de saponina de alta pureza a gran escala.