Abstract

In order to find new sources of arachidonic (AA) and eicosapentaenoic (EPA) acids, the composition of fatty acids was studied and lipid concentrations were determined in the thalluses of 32 species of red algae from Peter the Great Bay, Sea of Japan. The greatest level of EPA and a small concentration of AA were registered in the thalluses of Corallina pilulifera, Palmaria stenogona, Halosaccion yendoi, and Laurencia nipponica. Taking into consideration the level of the lipid concentrations in the algae, as well as their biomass and frequency of occurrence, the algae C. pilulifera, P. stenogona, L. nipponica, and Polysiphonia morrowii may be of interest as potential sources of EPA. Among the examined algae, only Gracilaria verrucosa showed a high level of AA.

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