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Odd-numbered very-long-chain polyunsaturated fatty acids from the dinoflagellate Amphidinium carterae identified by atmospheric pressure chemical ionization liquid chromatography–mass spectrometry by Tomáš Řezanka; Linda Nedbalová; Karel Sigler is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

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A method is described for the enrichment of odd very-long-chain polyunsaturated fatty acids (VLCPUFAs) by means of RP-HPLC and argentation TLC from total fatty acids of the dinoflagellate A. 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 rare and unusual odd VLCPUFAs up to nonacosahexaenoic acid. Two acids, (allZ)- nonacosa-11,14,17,20,23-pentaenoic acid (29:5n-6) and (allZ)- nonacosa-11,14,17,20,23,26-hexaenoic acid (29:6n-3), were synthesized for the first time to unambiguously confirm their structure. Possible biosynthetic pathways for odd VLCPUFAs are also proposed.

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Author

Tomáš Řezanka; Linda Nedbalová; Karel Sigler

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0031-9422)

Published

2008

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)