1994 年 60 巻 2 号 p. 199-201
20-hydroxy-4, 8, 13, 17-tetramethyl-4, 8, 12, 16-eicosatetraenoic acid was isolated from a highly unpalatable brown alga Turbinaria ornata as a feeding deterrent for another herbivorous gastropod Omphalius pfeifferi. The compound was confirmed to be a feeding inhibitor for the herbivorous green snail Turbo marumoratus found in the subtropical sea, as well.