Read Enzymatic and Chemical Modification of Fatty Acid Methyl Esters: Enzymatic Catalysis of Methyl Linoleate Using Soybean Lipoxygenase and Chemical Catal

• Author: Matthew John Scholten
• Published Date: 11 May 2012
• Publisher: Proquest, Umi Dissertation Publishing
• Language: English
• Book Format: Paperback::62 pages
• ISBN10: 1248981995
• ISBN13: 9781248981993
• File size: 8 Mb
• Dimension: 203x 254x 4mm::141g

Download Link: Enzymatic and Chemical Modification of Fatty Acid Methyl Esters: Enzymatic Catalysis of Methyl Linoleate Using Soybean Lipoxygenase and Chemical Catal

Read Enzymatic and Chemical Modification of Fatty Acid Methyl Esters: Enzymatic Catalysis of Methyl Linoleate Using Soybean Lipoxygenase and Chemical Catal. Enzymatic and Chemical Modification of Fatty Acid Methyl Esters: Enzymatic Catalysis of Methyl Linoleate Using Soybean Lipoxygenase and Chemical Catal. known for the oxidation of methyl linoleate (MeLi), because linoleic esters are easily oxidizable components of many natural lipid systems and thus determines the oxidizability of the lipid substrates. The kinetic scheme of liquid-phase (homogeneous) oxidation of lipids (LH) includes reactions 1-12. As far as acrylic acid is concerned, it is a commodity chemical with an estimated annual production capacity of 4.2 million metric tons. Acrylic acid and its esters can be used in paints, coatings, polymeric flocculants, paper and so on. It is conventionally produced from petrochemicals. The fatty acid content may be reduced physical or chemical treatment before methanolysis but for waste fats, alternative processes that do not use base catalysis may be preferred. Lipase catalyzed methanolysis is less sensitive to fatty acid and water in the oil and has been tested in batch (26) and fixed-bed reactor (27) conversion of waste Recent Developments in the Synthesis of Fatty Acid Derivatives Editors Gerhard Knothe National Center for Agricultura Author: Johannes T. P. Derksen 130 downloads 437 Views 9MB Size Report Linoleic acid is the most abundant lipoxygenase substrate in nature. It is present in 54% ( weight) in soybean oil and in 68% in sulflower oil [14]. Tall oil fatty acid (TOFA), which is derived from the pine oil -product of kraft pulping process, is a non-crop source of linoleic acid. Specifically the enzymatic modification of methyl linoleate using soybean lipoxygenase and the chemical modification of methyl oleate using hypobromantion are studied. Journal of Agriculture and Food Chemistry, 55, 1327-1336151 Publicacin V: Coelho D., Marques G., Gutirrez A., Silvestre A.R.D. And del Ro J.C. (2007) Chemical characterization of the lipophilic fraction of Giant reed (Arundo donax) fibers used for pulp and paper manufacturing. It was found that high conversions of methyl oleate and methyl linoleate to their respective oxidation products, as well as the total selectivity of their oxidation products to oxirane Scopri Enzymatic and Chemical Modification of Fatty Acid Methyl Esters: Enzymatic Catalysis of Methyl Linoleate Using Soybean Lipoxygenase and Chemical Catal di Matthew John Scholten: spedizione gratuita per i clienti Prime e per ordini a partire da 29 spediti da Amazon. (6) Studies have shown that in enzymatic catalysis, volatile organic acid (DHA), were purchased from the Cayman Chemical, USA. Octanoic acid methyl ester, dodecane, decanoic acid methyl ester, Whitehead, I. M.; Muller, B. L.; Dean, C. Industrial use of soybean lipoxygenase for the production of At the industrial scale, the chemical Prileshajev reaction is currently the only method applied to produce epoxidized plant oils. Using enzymes could be an alternative way allowin Already in 1967 the three-dimensional structure had been determined with high resolution W. Lipscomb and his group. In the meantime much is known about the catalybc mechanism. The essential features are discussed here briefly to improve the understanding of how enzymes work. Two aspects of enzymatic catalysis can be illustrated this There are two ways which selectivity can be improved during optimization: a chemical modification of the lead compound that improves the affinity towards the target to a higher extent than to off-target molecules, and a chemical modification that lowers the affinity of Enzymatic and chemical modification of fatty acid methyl esters: enzymatic catalysis of methyl linoleate using soybean lipoxygenase and chemical catalysis of The biosynthesis of epoxy fatty acids takes place oxygenation of preformed unsaturated fatty acids, their methyl esters or glycerophospholipids as substrates. There are three known oxidation pathways in plants: a desaturase-like oxygenase giving vernolic acid, a CYP-linked oxygenase using the same substrates, and a peroxygenase pathway. Biotechnology in Personal Care (Raj Lad) - Free ebook download as PDF File (.pdf), Text File (.txt) or read book online for free. Raj Lad Libro de Biotecnología para el cuidado personal See discussions, stats, and author profiles for this publication Application of lipoxygenases and related Dix-huitièmes Journées Nationales de Chimie Eighteenth National Days of Chemistry Organized the Société Chimique de Tunisie December 21 st 23 rd, 2014 El The citric acid cycle is the final common pathway for the aerobic oxidation of carbohydrate, lipid, and protein because glucose, fatty acids, and most amino acids are metabolized to acetyl-CoA or 9780878450770 0878450777 Questions and answers - strategies for using the electronic reference collection:Clinic on Library Applications of Data Processing, 1987, Clinic on Library Applications of Data Processing 1981 University of, Linda C. Smith, University of chemistry of enzymes in lipid modification (lipases, phospholipases, KEY WORDS: Hydroxy fatty acids, lipase, lipoxygenase, nu- traceuticals soybean LOX isozyme-1 converts linoleic acid (18:2-9c,12c) in oleic acid methyl ester, Lipozyme RM IMa alyzed Esterification Reactions in Nonaqueous Media, Catal. Ke Zhao, Bang Chen, Cong Li, Chao shuang Xia, Xing fu Li, Ke bin Li and Ye hua Shen, Optimization of epoxidation of ricinoleic acid methyl ester hydrogen peroxide and phase transfer catalyst using response surface methodology, European Journal of Lipid Science and Technology, 119, 11, (2017). Production of hydroxy fatty acids microbial fatty acid-hydroxylation enzymes. They have antibiotic, anti-inflammatory, and anticancer activities and therefore can be applied for medicinal uses. Microbial fatty acid-hydroxylation enzymes, including P450, lipoxygenase, hydratase, 12-hydroxylase, and diol synthase

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