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Biochemical Studies on Marine Zooplankton X.The Amino Acid Composition of Euphausia Superb a, Meganyctiphanes Norvegicaand Neomysis Integer

Published online by Cambridge University Press:  11 May 2009

R. T. Srinivasagam ,
J. E. G. Raymont ,
C. F. Moodie  and
J. K. B. Raymont
R. T. Srinivasagam
Affiliation:
Department of Oceanography, The University, Southampton, England
J. E. G. Raymont
Affiliation:
Department of Oceanography, The University, Southampton, England
C. F. Moodie
Affiliation:
Department of Oceanography, The University, Southampton, England
J. K. B. Raymont
Affiliation:
Department of Oceanography, The University, Southampton, England
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Extract

The amino acid composition has been investigated in two euphausiids, Euphausia superba Dana and Meganyctiphanes norvegica (M. Sars), and one mysid, Neomysis integer Leach. Protein-bound amino acids show a very considerable degree of similarity: glutamic acid, aspartic acid, lysine, leucine and arginine are predominant in all three crustaceans, and occur in that order of importance. Together they amount to ~ 50% of the total protein hydrolysates. Concentrations of free amino acids show greater differences between the zooplankton species, but taurine, glycine and arginine are very important in all three. Lysine and ornithine occur in fair quantities in both euphausiids, and proline and alanine are moderately important in Euphausia superba and Neomysis integer.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 51 , Issue 4 , November 1971 , pp. 917 - 925
Copyright
Copyright © Marine Biological Association of the United Kingdom 1971

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References

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