Nippon Suisan Gakkaishi 74 (1), 61-65 (2008)

γ-Oryzanol in laminarian seaweeds

REIKO NAGASAKA, AKIRA SHINODA, HIDEKI USHIO* AND TOSHIAKI OHSHIMA

Department of Food Science & Technology, Tokyo University of Marine Science and Technology, Minato, Tokyo 108-8477, Japan

We investigated the hydroxycinnamic acid derivatives in laminarian seaweeds. The total lipid was extracted from commercially available and dried laminarian seaweed according to the Bligh & Dyer method, and subjected to HPLC analysis for the determination of hydroxycinnamic acid derivatives. The structures were analyzed with EI-MS. Laminarian seaweeds contained relatively high amounts of γ-oryzanol, one of the hydroxycinnamic acid derivatives. Rishiri laminarian seaweed contained the highest amounts of γ-oryzanol among the analyzed 4 seaweeds. EI-MS fragment analyses of γ-oryzanol suggested that stigmasteryl ferulate was a prominent component in the seaweeds.


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