Isolation and Characteristic of Overlong-Chain Unsaturated Aldehydes from the Freshwater Sponge <Emphasis Type="Italic">Lubomirskia baicalensis</Emphasis>期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Isolation and Characteristic of Overlong-Chain Unsaturated Aldehydes from the Freshwater Sponge Lubomirskia baicalensis

Authors:	A.?B.?Imbs author-information" > author-information__contact u-icon-before" > mailto:andreyimbs@hotmail.com" title=" andreyimbs@hotmail.com" itemprop=" email" data-track=" click" data-track-action=" Email author" data-track-label=" " >Email author,A.?L.?Vereshchagin

Affiliation:	(1) Institute of Marine Biology, Far-East Division, Russian Academy of Sciences, ul. Palchevskogo 17, Vladivostok, 690041, Russia;(2) Institute of Limnology, Siberian Division, Russian Academy of Sciences, ul. Lermontova 281, Irkutsk, 664033, Russia

Abstract:	Several unusual overlong-chain unsaturated aldehydes (22 : 1, 22 : 2, 23 : 1, 24 : 1, 24 : 2, and 25 : 2) were found in total lipids of the endemic sponge Lubomirskia baicalensis from Baikal Lake. Tetracos-17-enal was identified as the major aldehyde of the mixture using GC-MS and ¹H and ¹³C NMR spectroscopy. A procedure for the isolation of total overlong-chain aldehydes was suggested. We think that the overlong-chain aldehydes defend the sponge from fouling and predators.

Keywords:	Baikal lake lipids Lubomirskia baicalensis overlong-chain aldehydes sponges
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