Methods for forming North American ginseng fractions, products containing them and methods of using as immunostimulants

摘要

The invention is directed to chemical processes of preparing fractions form North American ginseng (Panax quinquefolium) and pharmaceutical compositions containing these fractions. The products of the present invention may be used to stimulate the production of cytokines and/or antibodies, or as therapeutics targeted at conditions characterized by low immunity, such as the common cold, influenza, chronic fatigue syndrome, AIDS and cancer.