Patent ID: 6576241
Filing Date: 2003-06-10
Classification: A61K,G01N

Abstract:
An extract from a plant or a fungus, wherein the extract comprises at least about 0.05 mg of at least one soluble silicon compound calculated as silicon per gram of dry extract, as an effective component, wherein the extract exhibits inhibitory action against the production of plasma kallikrein, said extract being obtained by extraction with water or an aqueous solvent, wherein the pH of said water or aqueous solvent is 8.5 to 10.5, andwherein said plant or fungus comprises at least one member selected from the group consisting of tanjin (Salvia miltiorrhiza radix), shireishi (Ganoderma lucidum), scouring rush (Equisetum hiemale), Chinese gutta percha, chorei (polyporus sclerotiumt bukuryo (poria selerotium), and pueraria root.