20-Hydroxy-4, 8, 13, 17-tetramethyl-4, 8, 12, 16-eicosatetraenoic Acid, a New Feeding Deterrent against Herbivorous Gastropods, from the Subtropical Brown Alga Turbinaria ornata

Yusuke Sawai; Yuji Fujita; Kanzo Sakata; Eishin Tamashiro

doi:10.2331/fishsci.60.199

20-Hydroxy-4, 8, 13, 17-tetramethyl-4, 8, 12, 16-eicosatetraenoic Acid, a New Feeding Deterrent against Herbivorous Gastropods, from the Subtropical Brown Alga Turbinaria ornata

Yusuke Sawai, Yuji Fujita, Kanzo Sakata, Eishin Tamashiro

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Keywords: Turbinaria ornata, Turbo marumoratus, feeding deterrent, Omphalius pfeifferi, brown alga, gastropods

JOURNAL FREE ACCESS

1994 Volume 60 Issue 2 Pages 199-201

DOI https://doi.org/10.2331/fishsci.60.199

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Abstract

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.

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