Lipid, sterol and fatty acid composition of antarctic krill (Euphausia superba Dana)

Lipids ◽  
1984 ◽  
Vol 19 (11) ◽  
pp. 821-827 ◽  
Author(s):  
H. Fricke ◽  
G. Gercken ◽  
W. Schreiber ◽  
J. Oehlenschläger
Keyword(s):  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Acid Composition ◽  
Antarctic Krill ◽  
Euphausia Superba ◽  
Antarctic Krill Euphausia Superba

Fatty acid composition of the main phospholipids of the Antarctic krill Euphausia superba

1990 ◽  
Vol 26 (2) ◽  
pp. 143-147 ◽  
Author(s):  
K. Yu. Gordeev ◽  
V. N. Filarin ◽  
S. V. Bondarenko ◽  
M. A. Kirpichenok ◽  
N. A. Gordeeva ◽  
...  
Keyword(s):  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Acid Composition ◽  
Antarctic Krill ◽  
Euphausia Superba ◽  
The Antarctic ◽  
Antarctic Krill Euphausia Superba

Environmental constraints on the lipid composition and metabolism of euphausiids: the case of Euphausia superba and Meganyctiphanes norvegica

2000 ◽  
Vol 57 (S3) ◽  
pp. 91-103 ◽  
Author(s):  
P Mayzaud ◽  
E Albessard ◽  
P Virtue ◽  
M Boutoute
Keyword(s):  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Southern Ocean ◽  
Acid Composition ◽  
Temperature Regime ◽  
Euphausia Superba ◽  
Polar Lipids ◽  
Lower Content ◽  
Ligurian Sea ◽  
Meganyctiphanes Norvegica

Antarctic (Euphausia superba) and northern krill (Meganyctiphanes norvegica) are characterised by large-scale spatial distributions. Euphausia superba is limited to the Southern Ocean, while M. norvegica is present from the Arctic Ocean to the Mediterranean Sea. Euphausia superba structural lipids showed little mesoscale variability. Specific differences between phosphatidylcholine and phosphatidylethanolamine fatty acid composition exceeded variability related to sampling stations. On a larger scale (Southern Ocean), fatty acid composition of both total polar lipids and phosphatidylcholine confirmed the reduced level of regional variability. Similar comparisons between female M. norvegica collected at two extreme sites in terms of temperature regime (Kattegat and Ligurian Sea) during two seasons (spring-summer and fall-winter) suggested a more complex picture. Levels of phosphatidylethanolamine, lysophosphatidylcholine, and diphosphatidylglycerol showed significant differences between sites. During spring- summer, a lower content of phosphatidylethanolamine and lysophosphatidylcholine was observed for the Ligurian Sea population. Fatty acid composition of total polar lipids was significantly different at both sites. Comparisons between spring-summer populations at both sites showed higher percentages of 22:6n-3 and a lower content in saturated and monoenoic acids for the Ligurian Sea, suggesting some degree of adaptation to temperature regime.

scholarly journals Near-future ocean acidification does not alter the lipid content and fatty acid composition of adult Antarctic krill

2019 ◽  
Vol 9 (1) ◽  
Author(s):  
Jessica A. Ericson ◽  
Nicole Hellessey ◽  
So Kawaguchi ◽  
Peter D. Nichols ◽  
Stephen Nicol ◽  
...  
Keyword(s):  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Ocean Acidification ◽  
Acid Composition ◽  
Lipid Content ◽  
Antarctic Krill ◽  
Near Future

Fatty acid composition as an indicator of carnivory in Antarctic krill, Euphausia superba

2000 ◽  
Vol 57 (S3) ◽  
pp. 31-37 ◽  
Author(s):  
G C Cripps ◽  
A Atkinson
Keyword(s):  
Fatty Acids ◽  
Fatty Acid ◽  
Antarctic Krill ◽  
Saturated Fatty Acids ◽  
Euphausia Superba ◽  
Monounsaturated Fatty Acids ◽  
Pufa Content ◽  
South Georgia ◽  
Total Fatty Acids ◽  
Antarctic Krill Euphausia Superba

In a previous study at South Georgia, carnivory was invoked as a cause of high polyunsaturated fatty acid (PUFA) content of Antarctic krill, Euphausia superba. To examine this, krill were sampled and fed for 16 days exclusively on the locally abundant copepod Drepanopus forcipatus. After 16 days, the krill had increased their PUFA content from 28 to 54% of the total fatty acids. Concurrently, monounsaturated fatty acids (MUFAs) and saturated fatty acids (SFAs) decreased from 41 to 27%. Thus, the krill appeared to accumulate PUFAs as reflected in their diet of D. forcipatus, which also had a relatively high PUFA content (50%). Overall, the results support omnivorous feeding by krill at South Georgia during nonbloom periods. We propose that the ratio of PUFA to SFA content may be used to detect carnivory in the recent feeding history of krill and suggest that this may be an index which could be applied to other zooplankton.

scholarly journals Fatty Acid Compositions, Mineral and Vitamin Contents of the Antarctic Krill (Euphausia superba)

2014 ◽  
Vol 23 (1) ◽  
pp. 47-52 ◽  
Author(s):  
Han-Soo Kim ◽  
Min-A Kim ◽  
Duan Yishan ◽  
Seong-Ho Jang ◽  
Dong-Soo Kang ◽  
...  
Keyword(s):  
Fatty Acid ◽  
Antarctic Krill ◽  
Euphausia Superba ◽  
The Antarctic ◽  
Antarctic Krill Euphausia Superba ◽  
Fatty Acid Compositions
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