Patent ID: 8202554
Filing Date: 2012-06-19
Classification: A23L,A23V,A61P

Abstract:
1. A method for treating a multiple neuropathy through deriving neurite outgrowth and increasing secretion of endogenous nerve growth factor, comprising administering to a subject in need thereof a pharmaceutical composition comprising a therapeutically effective amount of an extract of a family Dioscoreaceae and a pharmaceutically acceptable carrier, the family Dioscoreaceae being at least one selected from the group consisting of Dioscorea nipponica, Dioscorea septembloba, Dioscorea quinqueoloba, Dioscorea batatas, Dioscorea japonica, Dioscorea bulbifera, Dioscorea tokoro , and Dioscorea tenuipes , wherein the extract is obtained by performing an extraction process which comprises extracting a root of the family Dioscoreaceae with a first extraction solvent selected from the group consisting of water, C 1 -C 4 alcohol, and a mixture of water and a C 1 -C 4 alcohol.