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Δ^<5,7>-Sterols of Some Gastropods and Pelecypods 貝類のΔ^<5,7>-ステロール TESHIMA, Shin-ichi 手島, 新一 KANAZAWA, Akio 金沢, 昭夫 SHIMAMOTO, Ryuji 嶋元, 隆司 open access This paper presents the compositions of Δ^<5,7>-sterols and other sterols of 2 gastropods and 6 pelecypods. Nine Δ^<5,7>-sterols were detected in these molluscs in addition to the Δ^<5>-sterols commonly occurring in marine molluscs. As the most abundant sterols, the gastropods, Neverita didyma and Tonna luteostoma, contained cholesta-5.7-dienol, whereas the pelecypods, Scapharca broughtonii, Glycymeris vestita, Cyclina sinensis, Metretrix petechialis, Mactra chinensis, and Sinonovacula constricta, involved 24-methylcholesta-5,7,22-trienol and/or cholesta-5,7-dienol. A C26 sterol, 24-norcholesta-5,7,22-trienol, was present in all molluscs examined. N.didyma and M.chinensis contained 24-methylenecholesta-5,7-dienol and (24Z)-24-ethylidenecholesta-5,7-dienol. 24-Methylenecholesta-5,7-dienol was also detected in T.luteostoma. 鹿児島大学 Kagoshima University 1982-12-25 eng departmental bulletin paper VoR http://hdl.handle.net/10232/13267 https://ir.kagoshima-u.ac.jp/records/10793 0453087X AN00040498 鹿児島大学水産学部紀要 Memoirs of Faculty of Fisheries Kagoshima University 31 213 218 https://ir.kagoshima-u.ac.jp/record/10793/files/AN00040498_v31_p213-218.pdf application/pdf 490.0 kB 2016-10-31 1982-12-25