Extracts of <i>Polygonum multiflorum </i>thunb, and preparation process and uses of the same

摘要

Disclosed herein are processes for preparing extract products from the root of Polygonum multiflorum Thunb. and the extract products thus obtained, which are biologically active in promoting the proliferation, growth and/or differentiation of hematocytes and bone marrow cells in vitro and in vivo.

主权项

1. A method for treating anemia or leukopenia in a subject in need thereof, comprising administering to the subject an extract product from the root of Polygonum multiflorum Thunb. in an amount effective to promote the proliferation of a cell type selected from the group consisting of hepatocytes, bone marrow stem cells, bone marrow stromal cells, bone marrow hematopoietic progenitor cells, bone marrow hematogenic cells, leukocytes, and erythrocytes, wherein the extract product from the root of Polygonum multiflorum Thunb. is a methanol extract.