1961 年 81 巻 2 号 p. 301-302
Phloroglucinol derivative was isolated from ether extract of the rhizome of Dryopteris erythrosora (EAT.) O. KTZE. and it was identified as aspidin. This is the first time that aspidin was isolated from Japanese ferns. Later, aspidin was also isolated from the rhizome of Dryopteris nipponensis KOIDZ., D. fuscipes C. CHR., D. decipiesns (HOOK.) O. KTZE., D. hondoensis KOIDZ., D. championi (BENTH.) C. CHR., and D. kinkiensis KOIDZ.