Analysis of fatty acid peroxide types in mixtures of oleate, linoleate, and linolenate esters
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Inhibition of enzyme activities by free fatty acids.
The inhibition of several enzyme activities by free fatty acids has been examined. The inhibition of rat liver microsomal linolenate-activating enzyme activity by linolenate was found to be due to the inactivation of enzyme by substrate fatty acid. Stearoyl coenzyme A was also found to inhibit linolenate-activating enzyme. Likewise, microsomal glucose 6-phosphatase was inhibited by oleate; the ...
متن کاملFatty acid ethyl esters in meconium are associated with poorer neurodevelopmental outcomes to two years of age.
OBJECTIVE To determine the relationship between fatty acid ethyl esters (FAEE) in meconium and neurodevelopment in infants exposed to alcohol in utero at 6.5 months, 1 year, and 2 years of age. STUDY DESIGN A secondary analysis of a prospective cohort of mothers at high risk and their infants recruited after admission to a labor and delivery unit. Mothers were screened for drug and alcohol us...
متن کاملThe vaporization enthalpies and vapor pressures of a series of unsaturated fatty acids methyl esters by correlation gas chromatography
bstract Vaporization enthalpies for methyl myristoleate (methyl Z 9-tetradecenonate), methyl 10-pentadecenoate, methyl palmitoleate (methyl Z 9exadecenoate), methyl Z 10-heptadecenoate, methyl oleate (methyl Z 9-octadecenoate), methyl linoleate (methyl Z,Z 9,12-octadecadienoate), ethyl linolenate (methyl Z,Z,Z 9,12,15-octadecatrienoate), methyl Z 11-eicosenoate, methyl Z,Z 11,14-eicosadienoate,...
متن کاملPure linoleate deficiency in the rat: influence on growth, accumulation
Essential fatty acid deficiency has been widely studied but the extent to which its effects are attributable specifically to deficiency of linoleate as opposed to deficiency of all unsaturated fatty acids is unknown. Our objective was to evaluate the effect of pure linoleate deficiency on growth as well as changes in the metabolism and oxidation of n-6 polyunsaturates. The diets contained 20 en...
متن کاملEffect of Fatty Acid Unsaturation on Phytosteryl Ester Degradation
This study examined the thermo-oxidative degradation of stigmasterol fatty acids esters. Stigmasterol stearate, oleate, linoleate and linolenate were synthesized by chemical esterification and their purity evaluated by 1H-NMR and GC-MS. The degradation of stigmasterol esters was examined after heating them at 60 and 180 °C for 1, 2, 4, 8 and 12 h. It was established that stigmasterol esters wer...
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تاریخ انتشار 2017