Recently added articles from JAOCS, Journal of the American Oil Chemists' Society:
Detection of Adulteration in Iranian Olive Oils Using Instrumental (GC, NMR, DSC) Methods
Feb 01, 2009; ... Received: 22 December 2007 / Revised: 21 November 2008 /Accepted: 22 November 2008 / Published online: 19 December 2008 © AOCS 2008 Abstract This paper describes an investigation into the usefulness of some instrumental methods (GC, NMR, and DSC) in the detection of ...
Using Theoretical Correction Factors for Quantitative Analysis of Sterols and Sterol Concentrates
Feb 01, 2009; ... Abstract A common detector for the analysis of sterols and sterol concentrates by gas chromatography is the flame ionization detector (FID). The detector measures the response of ions from a molecule as it is pyrolyzed in a hydrogen flame. The response is relative to the number of ...
Utilization of Olive-Pomace Oil for Enzymatic Production of Cocoa Butter-like Fat
Feb 01, 2009; ... Abstract Refined olive-pomace oil (ROPO) was utilized as a source for the production of a cocoa butter (CB)-like fat. Immobilized sn- 1,3 specific lipase-catalyzed acidolysis of ROPO with palmitic (PA) and stearic (SA) acids was performed at various substrate mole ratios (ROPO:PA:SA) to ...
Enzymatic Synthesis of Structured Triacylglycerols Containing CLA Isomers Starting from sn-1,3-Diacylglycerols
Feb 01, 2009; ... Abstract The synthesis of structured triacylglycerols (TAG) by the enzymatic reaction between sn-l,3-diacylglycerols (in-l,3-DAG) and conjugated linoleic acid (CLA) isomers was studied. Both the substrates of the reaction were produced from vegetable oils, the sn-l,3DAG from extra virgin ...
Chemical Composition of Turkish Olive Oil-Ayvalik
Feb 01, 2009; ... Abstract Although large amounts of olive oil are produced in Turkey, not much information on its chemical composition is available in the literature to date. The aim of this study was to evaluate the chemical composition of commercial olive oils produced from the Ayvalik olive cultivar ...
Antioxidative Properties of Curcuma longa Leaf Extract in Accelerated Oxidation and Deep Frying Studies
Feb 01, 2009; ... Abstract The antioxidative properties of Curcuma longa (turmeric) leaf extract were evaluated in refined, bleached and deodorized (RBD) palm olein using accelerated oxidation and deep frying studies at 180 °C for up to 40 h. The extract was capable of retarding oil oxidation and ...
Degradation and Nutritional Quality Changes of Oil During Frying
Feb 01, 2009; ... Abstract The changes in regular canola oil as affected by frying temperature were studied. French fries were fried intermittently in canola oil that was heated for 7 h daily over seven consecutive days. Thermo-oxidative alterations of the oil heated at 185 ± 5 or 215 ± 5 °C were measured ...
Conversion of Extracted Oil Cake Fibers into Bioethanol Including DDGS, Canola, Sunflower, Sesame, Soy, and Peanut for Integrated Biodiesel Processing
Feb 01, 2009; ... Abstract We have come up with a novel, integrated approach for making biodiesel by in-house producion of ethanol after fermentation of hexane extracted edible oil cake fiber. In addition, we have demonstrated how ethanol could be manufactured from commonly available oil cakes (such as ...
Studying the Influence of Alumina Catalysts Doped with Tin and Zinc Oxides in the Soybean Oil Pyrolysis Reaction
Feb 01, 2009; ... Abstract The pyrolysis of vegetable oils consists of cracking triglycerides to produce smaller molecules. A mixture of hydrocarbons and oxygenated compounds, such as carboxylic acids and aldehydes, is obtained as the product and which can be separated by fractional distillation. When the ...
Removal and Degradation of Phorbol Esters during Pre-treatment and Transesterification of Jatropha curcas Oil
Feb 01, 2009; ... Abstract Phorbol esters present in Jatropha curcas oil are toxic when consumed and are co-carcinogens. These could be a potential constraint in the widespread acceptance of Jatropha oil as a source of biodiesel. Phorbol esters were quantified in the fractions obtained at different stages ...
Purification of Soybean Phosphatidylcholine Using D113-III Ion Exchange Macroporous Resin Packed Column Chromatography
Feb 01, 2009; ... Abstract Ten ion-exchange resins were compared for their abilities to separate soybean phosphatidylcholine (PC). D113-III resin was selected for PC purification among ten resins tested. The optimum PC adsorption conditions were: concentration of PC solution, 3 mg/mL; pH of PC solution, ...
Sunflower Lecithin: Application of a Fractionation Process with Absolute Ethanol
Feb 01, 2009; ... Abstract Native or modified lecithins are widely used as a multifunctional ingredient in the food industry. A fractionation process of sunflower lecithin (a non GMO product) with absolute ethanol was used for obtaining enriched fractions in certain phospholipids under different ...
Phospholipid Composition of Jatropha curcus Seed Lipids
Feb 01, 2009; ... Abstract Jatropha curcus L. oil has emerged as one of the most important raw materials for biodiesel production. However, no detailed study has been reported on characterizing the lipid constituents of jatropha oil. The present study revealed that the total oil content of jatropha seeds ...