| abstract |
The invention is directed to ginseng fractions, methods of preventing or reducing hematological malignancies such as leukemia, and methods of elevating NK cells in a subject by administering to the subject an effective amount of a ginseng fraction, a pharmaceutical composition comprising the fraction in combination with another medicament or with one or more pharmaceutically acceptable carriers including food items. The fraction may be made from Panax quinquefolius or may be selected from CVT-E002, PQ2, PQ223 and purified fractions from CVT-E002, PQ2 and PQ223. |