Journal
PHYTOCHEMISTRY
Volume 69, Issue 12, Pages 2391-2399Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.phytochem.2008.06.011
Keywords
Amphidinium carterae; very-long-chain polyunsaturated fatty acids; liquid chromatography-mass spectrometry - atmospheric pressure chemical ionization
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Funding
- Institutional Research Concepts [AV0Z50200510, AV0Z60050516, MSMT 002162082]
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A method is described for the enrichment of very-long-chain polyunsaturated fatty acids (VLCPUFAs) from total fatty acids of Amphidinium carterae and their identification as picolinyl esters by means of microbore liquid chromatography-mass spectrometry with atmospheric pressure chemical ionization (LC-MS/APCI). The combination of argentation TLC and LC-MS/APCI was used to identify unusual VLCPUFAs up to hexatriacontaoctaenoic acid. Two acids, 36:7n-6 and 36:8n-3, were also synthesized to unambiguously confirm their structure. The possibilities of VLCPUFAs biosynthesis are proposed. (C) 2008 Elsevier Ltd. All rights reserved.
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