Observations on the gas—liquid chromatography of m-monoalkenes with reference to the systematic identification of esters of unsaturated fatty acids through separation factors and log retention time plots

1963 ◽  
Vol 12 ◽  
pp. 271-276 ◽  
Author(s):  
R.G. Ackman
Keyword(s):  
Fatty Acids ◽  
Liquid Chromatography ◽  
Retention Time ◽  
Unsaturated Fatty Acids ◽  
Gas Liquid Chromatography ◽  
Separation Factors ◽  
Systematic Identification

Ozonolysis of unsaturated fatty acids. II. Esterification of the total products from the oxidative decomposition of ozonides with 2,2-dimethoxypropane

1967 ◽  
Vol 45 (13) ◽  
pp. 1405-1410 ◽  
Author(s):  
John D. Castell ◽  
R. G. Ackman
Keyword(s):  
Fatty Acids ◽  
Liquid Chromatography ◽  
Unsaturated Fatty Acids ◽  
Performic Acid ◽  
Acid Oxidation ◽  
Gas Liquid Chromatography ◽  
Positional Isomers ◽  
Flame Ionization ◽  
Hydrogen Flame

The total acidic products from the performic acid oxidation of the ozonide of methyl oleate formed in methanol may be esterified directly in a few hours with 2,2-dimethoxypropane. The ester concentrations are adequate for the determination of the positional isomers of monoethylenic fatty acids directly from the reaction mixture, using a hydrogen flame ionization gas–liquid chromatography detector. Dimethyl sulfoxide was not required to prevent the breakdown of 2,2-dimethoxypropane under the conditions employed.

The Air Blowing of Cod Liver Oil. II. Changes in Fatty Acid Composition as Determined by Gas–Liquid Chromatography

1963 ◽  
Vol 20 (1) ◽  
pp. 89-94 ◽  
Author(s):  
P. M. Jangaard ◽  
R. G. Ackman ◽  
R. D. Burgher ◽  
M. L. Hughes
Keyword(s):  
Fatty Acids ◽  
Fatty Acid Composition ◽  
Liquid Chromatography ◽  
Unsaturated Fatty Acids ◽  
Gas Liquid Chromatography ◽  
Cod Liver Oil ◽  
Highly Unsaturated Fatty Acids ◽  
Air Blowing ◽  
Two Temperatures ◽  
Higher Temperature

The effect of air blowing at two temperatures, 80 and 130 °C, on the major component fatty acids of cod liver oil has been determined. As expected, the proportions of the highly unsaturated fatty acids drop rapidly, especially at the higher temperature investigated. The saturated acids are virtually unchanged under the conditions employed, while the proportion of monounsaturated acids shows only a slight drop.

scholarly journals Study on fatty acid composition and physico-chemical properties of Nyctanthes arbortristis root

1970 ◽  
Vol 24 (2) ◽  
pp. 202-208 ◽  
Author(s):  
Mohammad Mizanur Rahman ◽  
Mohammad Shahjahan
Keyword(s):  
Fatty Acids ◽  
Fatty Acid Composition ◽  
Liquid Chromatography ◽  
Fatty Acid ◽  
Acid Composition ◽  
Unsaturated Fatty Acids ◽  
Chemical Properties ◽  
Chemical Society ◽  
Gas Liquid Chromatography ◽  
Crude Fibre

Fatty acid composition of Nyctanthes arbortristis Linn root extracted successively  with light petroleum ether (40-600C bp.)- n-hexane and chloroform were analyzed by gas liquid chromatography (GLC). Twenty one fatty acids were identified in the Seuli root. The major saturated and unsaturated fatty acids are palmitic acid (C16:0, 13.97%) and oleic acid (C18:1, 28.43%). Physio-chemical characteristics, such as iodine value, moisture, ash, lignin and crude fibre of the Seuli root were also determined.   Keywords: Nyctanthes arbortristis Linn; Seuli; root; fatty acid composition; gas liquid chromatography. DOI: http://dx.doi.org/10.3329/jbcs.v24i2.9709 Journal of Bangladesh Chemical Society, Vol. 24(2), 202-208, 2011

Sign in / Sign up

Export Citation Format

Share Document