Patent
Enzymatic method for preparing transesterified oils
Peter H. Brown,Federico D. Carvallo,Robert Charles Dinwoodie,Michael T. Dueber,David K. Hayashi,R. G. Krishnamurthy,Zohar M. Merchant,James J. Myrick,Richard Stuart Silver,Chrisanthus Thomas +9 more
TLDR
In this article, an enzymatic transesterification method for preparing a margarine oil having both low trans- acid and low intermediate chain fatty acid content is disclosed, which includes the steps of providing a reaction mixture containing a stearic acid source material and an edible liquid vegetable oil.Abstract:
An enzymatic transesterification method for preparing a margarine oil having both low trans- acid and low intermediate chain fatty acid content is disclosed. The method includes the steps of providing a transesterification reaction mixture containing a stearic acid source material and an edible liquid vegetable oil, transesterifying the stearic acid source material and the vegetable oil using a 1-, 3-positionally specific lipase, and then finally hydrogenating the fatty acid mixture to provide a recycle stearic acid source material for a recyclic reaction with the vegetable oil. Also described is a counter-current method for preparing a transesterified oil. The method includes the steps of providing a transesterification reaction zone containing a 1-, 3-positionally specific lipase, introducing a vegetable oil into the transesterification zone, introducing a stearic acid source material, conducting a supercritical gas or subcritical liquified gas counter-current fluid, carrying out a transesterification reaction of the triglyceride stream with the stearic acid or stearic acid monoester stream in the reaction zone, withdrawing a transesterified triglyceride margarine oil stream, withdrawing a counter-current fluid phase, hydrogenating the transesterified stearic acid or stearic acid monoester to provide a hydrogenated recycle stearic acid source material, and introducing the hydrogenated recycle stearic acid source material into the reaction zone.read more
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Patent
Phospholipases, nucleic acids encoding them and methods for making and using them
Svetlana Gramatikova,Geoff Hazlewood,David Lam,Nelson Barton,Blake G. Sturgis,Dan E. Robertson,Jincai Li,Joel A. Kreps,Roderick Fielding,Robert C. Brown,Amit Vasavada,Xuqiu Tan,Adrian Badillo,Wilhelmus P. Van Hoek,Giselle Janssen,Charles Isaac,Mark J. Burk +16 more
TL;DR: In this article, the authors provided novel polypeptides having phospholipase activity, including, eg, phospholipsase A, B, C and D activity, patatin activity, phosphatidic acid phosphatases (PAP)) and/or lipid acyl hydrolase (LAH) activity, nucleic acids encoding them and antibodies that bind to them.
Patent
Method for producing lipids by liberation from biomass
TL;DR: In this article, methods of preparing high-quality polyunsaturated fatty acid-containing lipids from a lipid-containing material that include enzymatic treatment of components of the material and/or pressure disruption of the materials were discussed.
Patent
Oil/fat composition
TL;DR: An oil/fat composition comprising 5 to 99.9 wt.% of a monoglyceride having, as fatty acid constituents thereof, 15 to 90 wt% of an φ 3-unsaturated fatty acid having less than 20 carbon atoms as mentioned in this paper.
Patent
Hydrolases, nucleic acids encoding them and methods for making and using them
TL;DR: In this paper, the authors provide methods of making and using polynucleotides and polypeptides, including enzymes, having a hydrolase activity, e.g., lipases, saturases, palmitases and/or stearatases, and methods for preparing low saturate or low trans fat oils.
Patent
Conjugated linoleic acid compositions
Asgeir Saebo,Per Christian Saebo +1 more
TL;DR: In this paper, a process for the production of conjugated linoleic acid of high purity and acid value is described, which utilizes alcoholate catalysts and esters of sunflower oil, safflower oil, or corn oil.
References
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Journal ArticleDOI
Effect of Dietary Stearic Acid on Plasma Cholesterol and Lipoprotein Levels
Andrea Bonanome,Scott M. Grundy +1 more
TL;DR: It is concluded that stearic acid appears to be as effective as oleic acid in lowering plasma cholesterol levels when either replaces palmitic Acid in the diet.
Journal ArticleDOI
Polyunsaturated fatty acids, hyperlipidemia, and thrombosis.
TL;DR: The cholesterol content of LJpoproteins and the rates of Synthesis and Catabolism have changed, as well as the composition of the Fatty Acid Composition and Upoprotein Metabolism.
Journal ArticleDOI
Lipase-catalyzed interesterification of oils and fats
TL;DR: Extracellular microbial lipases can be used as catalysts for the interesterification of oils and fats as discussed by the authors, which gives products which are unobtainable by chemical interesterization methods.