Document Detail

Biochemical composition of wild copepods, Acartia spinicauda and Oithona similis, from Parangipettai coastal waters in relation to environmental parameters.
MedLine Citation:
PMID:  20329396     Owner:  NLM     Status:  MEDLINE    
Percentage composition of protein, lipid, carbohydrate and amino acids of copepods, Acartia spinicauda and Oithona similis collected from Parangipettai coastal waters were estimated following standard methodologies. Of the principal biochemical constituents, protein formed the major component followed bylipid and carbohydrate. Biochemical composition analysis of wild copepods indicated their nutritional rank. The ranges of protein, lipid and carbohydrate (%) contents (of A. spinicauda and O. similis) were 67.33-75.45; 12.42-16.58; 6.69-7.98 (Stn 1); 68.10-74.62; 12.65-17.81; 4.41-7.34 (Stn 2); 68.65-74.93; 14.55-17.69; 4.01-7.90 (Stn3) and 59.53-69.61; 10.76-17.68; 3.43-6.59 (Stn 1); 62.39-67.09; 10.26-15.65; 3.78-5.85 (Stn 2) and 59.57-67.60; 9.89-15.44; 3.71-5.72 (Stn 3) respectively. Totally 16 amino acids were observed in these wild copepods, with threonine, glutamic acid, alanine, aspartic acid, serine, valine and methionine as the dominant ones. The minimum and maximum values of atmospheric and surface water temperatures (degrees C), salinity (%), pH and dissolved oxygen (ml l(-1)) were 28.5-35; 28.7-34.2; 14.5-35.7; 7.4-8.6 and 3.0-7.2 respectively. The ranges (microM) of nitrate, nitrite, phosphate and silicate were 7.9-52.9; 0.6-9.6; 0.5-7.5 and 8.2-140.5 respectively. The results supported the view that protein may function as a metabolic reserve in copepods and that the availabilityof a constant supply of food may render large amount of lipid storage unnecessary in tropical copepods.
P Perumal; M Rajkumar; P Santhanam
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of environmental biology / Academy of Environmental Biology, India     Volume:  30     ISSN:  0254-8704     ISO Abbreviation:  J Environ Biol     Publication Date:  2009 Nov 
Date Detail:
Created Date:  2010-03-24     Completed Date:  2010-04-26     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8300544     Medline TA:  J Environ Biol     Country:  India    
Other Details:
Languages:  eng     Pagination:  995-1005     Citation Subset:  IM    
Department of Biotechnology, Periyar University, Salem - 636 011, India.
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MeSH Terms
Copepoda / chemistry*
Hydrogen-Ion Concentration
Lipids / chemistry
Seawater / chemistry*
Time Factors
Reg. No./Substance:

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