1983 Volume 103 Issue 6 Pages 679-682
From the fronds of Dicranopteris dichotoma (THUMB.) BERNH. protocathechuic acid, shikimic acid and two unknown glycosides, which were shown to be p-β-rutinosyloxystyrene (I) and 1-(1-hydroxyethyl)-4-β-rutinosyloxybenzene (II) mainly by spectroscopic methods, were isolated besides the already detected flavonoids (afzelin and quercitrin). The yield of shikimic acid referred to the dry fronds amounted to 3%. From the fronds of Microlepia obtusiloba HAYATA an unknown glycoside was isolated and identified as p-β-D-allosyloxystyrene (III) by spectroscopic methods.