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1

Investigation of amino acid composition in some selected plants inhabiting Lake Burullus (Egypt) using amino acid analyzer

100%
Haroon A. M., El-Habibi A. M., Szaniawska A.
Oceanological Studies
|
1995
|
issue 69/10
59-65
EN
The total of amino acid pools of three plant species common in Brullus Lake and belonging to different taxonomic groups were determined using LKB Alpha Plus high performance amino acid analyzer.The results indicated that presence of seventeen of common amino acids in these three different species, however, their concentrations varied.Glutamic acid represented the major constituent of amino acid pools separated from Inula erithmoides and Potamogeton pectinatus.Proline represented the major constituent of amino acid pool in Halimione portulacoides.The highest total content of amino acids was measured in , followed by Potamogeton pectinatus and Inula erithmoides.From the two sulphur containing amino acid: methionine and cysteine, only methionine was detected in all studied species.
2

Fatty acids, hydrocarbons and sterols in three plant species collected from Burullus Lake

72%
Haroon A. M., El-Habibi A. M., Szaniawska A.
Oceanological Studies
|
1995
|
issue 69/10
67-76
EN
Three plant species belonging to Compositae, Chenopodiceae and Potamogetonaceae were collected from Burullus Lake.Hydrocarbon, sterol and fatty acid composition of each species were investigated and identified quantitatively using GLC technique.The result demonstrated that, the unasaponifiable matter of Inula erithmoides Halimione portulacoides and Potamogeton pectinatus was composed of, respectively 74.7% hydrocarbons and 25.3% sterol compounds; 73.6% hydrocarbons and 26.5% sterol compounds;100% hydrocarbons.Two sterols, namely cholesterol and stigmasterol, were detected in extracts of Inula erithmoides and Halimione portulacoides but at different concentrations.The analysis of saturated and unsaturated fatty acids indicated that the species studied differed in the number and concentration of fatty acids.
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