The fatty acid composition of whole phospholipids from marine sponges collected from the Colombian Caribbean Sea was determined as part of our studies on the order Halichondrida: Halichondria magniconulosa, Halichondria lutea, Petromica ciocalyptoides, Axinyssa ambrosia, Didiscus oxeata and Dragmaxia undata. Structure elucidation was accomplished by means of gas chromatography retention paramet...

Lipid transfer proteins (LTPs) are ubiquitous plant lipid-binding proteins that have been associated with multiple developmental and stress responses. Although LTPs typically bind fatty acids and fatty acid derivatives in a non-covalent way, studies on the LTPs of barley seeds have identified an abundantly occurring covalently modified form, LTP1b, the lipid ligand of which has resisted clarifi...

Previously, it was reported that a newly isolated microbial culture, Clavibacter sp. strain ALA2, produced trihydroxy unsaturated fatty acids, diepxoy bicyclic fatty acids, and tetrahydroxyfuranyl fatty acids (THFAs) from linoleic acid (C. T. Hou, J. Am. Oil Chem. Soc. 73:1359-1362, 1996; C. T. Hou and R. J. Forman III, J. Ind. Microbiol. Biotechnol. 24:275-276, 2000; C. T. Hou, H. Gardner, and...

Castor oil methyl esters contains nearly 90% ricinoleic acid (12-hydroxy-cis-9-octadecenoic acid). Hydrogenated castor oil methyl esters finds several applications in coating, lubricants formulations and pharmaceutical areas. The present study reports a fast, simple, efficient and continuous hydrogenation of enriched castor oil methyl ester (ECME) using 10% Pd/C catalyst at different pressures ...

Successful reproductive management in buffaloes depends on effective estrus detection. Urinary pheromones identified from natural estrous cycle have been reported to decipher estrus phase. However, its presence has not been analyzed in the urine after synchronization. Thus, our present investigation was to investigate the influence of synchronized estrus urine in bulls and to examine the presen...

Abstract Anethum graveolens L. is a plant belong to umbelliferae family. The aim of this study compare the phytochemical different volatile oil extract from fresh air and commercial dry A. market in Karbala Iraq, by soxhlet apparatus for bout 24 hours, results indicated percentage oils differed significantly as result being affected type plant, A.graveolens gave height (4. 17%, while lower (2. ...

Abstract Several methods are available for elongation of fatty acid acyl chains. The present paper describes adaptation to the field a previously published protocol manganese‐based Wurtz type coupling alkyl bromides. 22‐Bromo‐3( Z ),6( ),9( ),12( ),15( ),18( )‐docosahexaene, easily prepared from 4( ),7( ),10( ),13( ),16( ),19( )‐docosahexaenoic acid, was coupled homologous ω‐bromoesters by stir...

The contraction or decrease in area of fatty acid monolayers maintained at a constant surface pressure of 16 dynes/cm was studied as a function of fatty acid chain length, unsaturation, temperature, and the hydrogen ion concentration in the subphase. The data were consistent with the hypothesis that fatty acid solution from the monolayer into the subphase was the mechanism for film loss. Autoxi...