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Occurrence of a 22∶2 nonmethylene interrupted dienoic fatty acid and its seasonal distribution among lipids and tissues of the fresh water bivalve Diplodon delodontus from an isolated environment
Author(s) -
Irazu C. E.,
Pollero R. J.,
Brenner R. R.
Publication year - 1984
Publication title -
lipids
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.601
H-Index - 120
eISSN - 1558-9307
pISSN - 0024-4201
DOI - 10.1007/bf02534524
Subject(s) - fatty acid , lipidology , ozonolysis , clinical chemistry , distribution (mathematics) , chemistry , plankton , biology , biochemistry , food science , ecology , organic chemistry , mathematical analysis , mathematics
Realatively high levels of a non‐methylene‐interrupted dienoic fatty acid were detected in the freshwater mollusc Diplodon delodontus . The (7,13) 22∶2 NMID fatty acid was separated from total fatty acids by TLC, and its structure was determined by GLC and reductive ozonolysis. Its seasonal distribution was investigated in different tissues and lipids of the mollusc. High concentrations of this acid were found in polar lipids. The absence of the 22∶2 NMID fatty acid in the lipids of plankton and sediment in the same habitat suggests that it may be biosynthesized by themollusc. Possible synthesis and functions of the NMID fatty acids are discussed.