New phospholipid fatty acids from the Caribbean sponge Ectyoplasia ferox | Zendy

Carbelleira Néstor M. | Zendy; Maldonado Marie E. | Zendy

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New phospholipid fatty acids from the Caribbean sponge Ectyoplasia ferox

Author(s) -

Carbelleira Néstor M.,

Maldonado Marie E.

Publication year - 1989

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/bf02535143

Subject(s) - sponge , phospholipid , fatty acid , lipidology , chemistry , biochemistry , biology , stereochemistry , botany , membrane

The phospholipid fatty acids from the Caribbean sponge Ectyoplasia ferox were studied. The novel fatty acids 25‐methyl‐5,9‐heptacosadienoic (1) and 26‐methyl‐5,9‐heptacosadienoic (2) were identified in 3.4 and 2.0% abundance, respectively, representing the longest set of Δ5,9 iso and anteiso acids yet isolated from a marine sponge. The new acid 10,13‐dimethyltetradecanoic (3), the unusual acid 15‐methyl‐11‐hexadecenoic (4) and the also novel acid 9‐methyl‐11‐hexadecenoic (5) were also identified in E. ferox . The principal sterols isolated from E. ferox were 24‐ethylcholest‐5‐en‐3β‐ol (46%) and 24(R)‐methylcholesta‐5,22‐dien‐3β‐ol (14%).

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