Extract of picrorhiza kurroa plants and a process for making the same are disclosed. The extract has strong anti-viral action against both DNA and RNA-based viruses, and also against bacterial, fungal and protozoan microorganisms. Said extract essentially comprises the lipophilic compounds occurring in the scrophulariaceae family of plants, in particular, the terpenes and fatty acids thereof. The extract may additionally contain other said lipophilic compounds and the aglycons of the glycosides occurring in said family of plants. Several extraction solvents have been disclosed.La presente invención se refiere a una composición medicinal, nutracélutica o alimenticia en la forma de una tableta o cápsula para eliminación, tratamiento o manejo de desórdenes en el hígado, enfermedades del hígado o inmuno modulación en un humano en necesidad de lo mismo que consiste de una cantidad terapéuticamente efectiva de un hexano y extracto de dióxido de carbono líquido de Picrorhiza hurroa.