Patent 7101577 was granted and assigned to National Yang-Ming University on September, 2006 by the United States Patent and Trademark Office.
An extract of plant Dendrobii Caulis and preparing process thereof are provided. A physiologically active extract of a plant Dendrobii Caulis and the method thereof are provided in the present invention. The extract is obtained by an extraction of the plant or parts thereof with a water miscible organic solvent or a mixture thereof with water.