1961 年 81 巻 2 号 p. 287-290
Phloroglucinol derivatives of Extractum Aspidii deposit colloidal precipitate by aqueous cupric acetate in petroleum benzin solution. This reaction can be applied as qualitative test for effective constituents in Aspidium. By this test 111 species of Japanese ferns were examined, in which only Dryopteris genus (24 species) was positive.