S. Damtoft et Sr. Jensen, TOMENTOSIDE AND 7-HYDROXYTOMENTOSIDE, 2 IRIDOID GLUCOSIDES FROM PAULOWNIA-TOMENTOSA, Phytochemistry, 34(6), 1993, pp. 1636-1638
Two new iridoids, tomentoside and 7-hydroxytomentoside, both with a 5,
6-double bond, have been found in Paulownia tomentosa in addition to t
he known paulownioside and catalpol. in young plants, only catalpol an
d tomentoside is found. Paulownia coreana contains catalpol and 7-hydr
oxytomentoside.