Abstract
Two new galactopyranosyldiacylglycerols have been isolated from the marine bacillariophycean microalga Nitzschia sp. and their structures were determined as (2S)-3-O-beta-D-galactopyranosyl-1,2-di-O-(9Z-hexadecenoyl)glycerol (1) and (2S)-3-O-beta-D-galactopyranosyl-1-O-(5Z,8Z,11Z,14Z,17Z-eicosapentaenoyl)-2-O-(9Z-hexadecenoyl)glycerol (2) by physicochemical evidence.
Publication types
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Comparative Study
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Research Support, Non-U.S. Gov't
MeSH terms
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Chromatography, High Pressure Liquid
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Docosahexaenoic Acids / chemistry
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Docosahexaenoic Acids / metabolism
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Ecosystem
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Eicosanoic Acids / chemistry
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Eicosanoic Acids / metabolism
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Galactolipids
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Galactose / chemistry
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Gas Chromatography-Mass Spectrometry
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Glycolipids / chemistry
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Glycolipids / isolation & purification*
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Glycolipids / metabolism*
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Hydrolysis
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Korea
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Lipase / metabolism
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Molecular Structure
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Nuclear Magnetic Resonance, Biomolecular
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Phytoplankton / chemistry*
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Spectrophotometry, Infrared
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Stereoisomerism
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alpha-Linolenic Acid / chemistry
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alpha-Linolenic Acid / metabolism
Substances
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(2S)-3-O-beta-D-galactopyranosyl-1,2-di-O-(9Z-hexadecenoyl)glycerol
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(2S)-3-O-beta-D-galactopyranosyl-1-O-(5Z,8Z,11Z,14Z,17Z-eicosapentaenoyl)-2-O-(9Z-hexadecenoyl)glycerol
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Eicosanoic Acids
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Galactolipids
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Glycolipids
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alpha-Linolenic Acid
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Docosahexaenoic Acids
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Lipase
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Galactose