A method for promoting chronic wound healing is provided, including administering an effective amount of Bletilla formosana ( Hayata ) Schltr. extract to a subject in need thereof, wherein the effective amount of Bletilla formosana ( Hayata ) Schltr. extract is 0.01 mg/kg-body weight to 100 mg/kg-body weight, and wherein the chronic wound including diabetic wound and Diabetic Foot Ulcer.
1 . A method for promoting chronic wound healing, comprising administering an effective amount of Bletilla formosana ( Hayata ) Schltr. extract to a subject in need thereof, wherein the Bletilla formosana ( Hayata ) Schltr. is extracted by water, and the residue is re-extracted by ethyl acetate to obtain the Bletilla formosana ( Hayata ) Schltr. extract.
2 . The method of claim 1 , wherein the Bletilla formosana ( Hayata ) Schltr. extract further combines with its pharmaceutically acceptable carriers to be a pharmaceutical composition.
3 . The method of claim 2 , wherein the pharmaceutical composition is a parenteral or external preparation.
4 . The method of claim 2 , wherein the pharmaceutical composition is a skin topical preparation.
5 . The method of claim 1 , wherein the effective amount is 0.01 mg/kg weight to 100 mg/kg weight.
6 . The method of claim 1 , wherein the effective amount is 1 mg/kg weight to 75 mg/kg weight.
7 . The method of claim 1 , wherein the effective amount is 25 mg/kg weight to 50 mg/kg weight.
8 . The method of claim 1 , wherein the chronic wound comprises diabetic wound.
9 . The method of claim 1 , wherein the chronic wound comprises Diabetic Foot Ulcer.