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タイトル: Domoic acid in a bivalve Spondylus cruentus in Nha Trang Bay, Khanh Hoa Province, Vietnam
著者: Ha, Dao Viet
Takata, Yoshinobu
Sato, Shigeru
Fukuyo, Yasuwo
Kodama, Masaaki
キーワード: Domoic acid
Spondylus cruentus
Nha Trang Bay
seasonal variation
発行日: 2006年4月28日
出版者: International Coastal Research Center, Ocean Research Institute, the University of Tokyo
掲載誌情報: Coastal marine science. Vol.30No.1, 2006.4, pp. 130-132
抄録: Recently we have found that domoic acid (DA), a toxin responsible for amnesic shellfish poisoning, is always detected in bivalve species belonging to a genus Spondylus randomly collected from various parts of the tropical areas including Vietnam. In Vietnam, 10 species of Spondylus are known to grow. Among these species, S. cruentus is a commercially valuable species. Domoic acid in S. cruentus collected in Nha Trang Bay is analyzed by ELISA and LC/MS/MS. Remarkable individual difference was observed in DA level among 28 specimens of S. cruentus collected from the same area at the same time. The DA level in S. cruentus apparently showed a seasonal variation. However, the variation of DA content seems to be due to a large individual difference among the specimens. When the specimens were reared in plankton-free conditions, DA level in S. cruentus did not decreaseds for 45 days, showing that S. cruentus maintains DA for a long period.
URI: http://hdl.handle.net/2261/5621
ISSN: 13493000
出現カテゴリ:Coastal Marine Science
Coastal Marine Science


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