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- Title
Seasonal changes in the biochemical components of Pseudonereis anomala (Polychaeta, Nereididae) from the Alexandria coast, Egypt.
- Authors
DORGHAM, MOHAMED MOUSSA; HAMDY, RASHA; AL-RASHIDY, HUDA HASSAN; ATTA, MANAL MOHAMED
- Abstract
The biochemical composition (carbohydrates, protein, lipids, fatty acids and amino acids) of the nereid polychaete Pseudonereis anómala Gravier 1901, from a shallow part of the Alexandria coast (Egypt), was studied seasonally. The results revealed that P. anomala had a lower water content, higher carbohydrates and protein, but approximately similar or higher lipid levels than several other polychaetes. Fatty acids appeared to be dominated by unsaturated acids, constituting seasonally 49.6-81%, while saturated acids reached high amounts in winter and spring (23.3 and 38.3% respectively). C20:5n-3 was the major polyunsaturated fatty acid, accompanied by small amounts of C18:4n-3, C20:4n-6, C16:1n-7 and C20:1n-9. C18:0 dominated the saturated fatty acids for most of the year, except in autumn when C16:0 was the major one.
- Subjects
ALEXANDRIA (Egypt); AQUACULTURE; UNSATURATED fatty acids; POLYCHAETA; SPAWNING; SHRIMPS; REPRODUCTION
- Publication
Oceanologia, 2014, Vol 56, Issue 4, p881
- ISSN
0078-3234
- Publication type
Article
- DOI
10.5697/oc.56-4.881