TYROSINASE ACTIVITY INHIBITOR EXTRACTED FROM DROPPINGS OF JAPANESE BUSH WARBLER AND PRODUCTION OF ESSENCE HAVING INHIBITORY ACTION ON TYROSINASE ACTIVITY FORM DROPPINGS OF JAPANESE BUSH WARBLER

摘要

PURPOSE:To obtain an extracted essence having strong inhibitory action on tyrosinase activity, by extracting droppings of Japanese bush warbler by using hot water, an organic solvent miscible or immiscrible with water of a combination of hot water and the organic solvent or Sephadex G-25 column. CONSTITUTION:A tyrosinase activity inhibitor useful s a cosmetic having beautifying effects and spot remover for clothes, etc., obtained from (a) a hot water extracted essence of droppings of Japanese bush warbler, (b) an extracted essence with an organic solvent miscible or immiscible with water from the droppings, (c) an extracted essence with an organic solvent immisible with water of the droppings, (d) an extracted essence obtained by extracting the extracted essence a with the organic solvent b or c again or (e) an essence having 300-900 main molecular weight in a molecular weight range of 150-1,500 obtained by passing the extracted essence a through Sephadex G-25 column.