By María Luján Ferreira, Gabriela Marta Tonetto
This short provides the state-of-the-art on enzymatic synthesis of dependent triglycerides and diglycerides, targeting glycerol because the substrate and protecting interesterification of vegetable oils in a single and steps. It severely experiences the to be had literature on enzymatic and chemo-enzymatic synthesis of di- and triglycerides in a single or extra steps. the consequences of the constitution, size and unsaturation of the fatty acids are rigorously thought of, in addition to the inhibitory strength of hugely unsaturated complicated fatty acid structures.
The short additionally addresses acyl migration and using adsorbents, bearing in mind the newest literature and providing the matter in an business context. It discusses experimental and analytical difficulties bearing on, e.g. the lab scale and the scaling as much as bench and pilot vegetation. a number of examples are offered, and their successes and screw ups are assessed. Biocatalysts in keeping with lipases are analyzed in regards to difficulties of immobilization, balance on garage time and task after a number of makes use of. the necessity for particular Sn-2 lipases is gifted and methods for optimizing Sn-2 esterification are mentioned. finally, useful features are tested, e.g. lipase “leaching” with lack of task, bearing in mind the newest findings on non-stop and batch reactor configurations and providing the benefits and downsides of each.
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Extra info for Enzymatic Synthesis of Structured Triglycerides: From Laboratory to Industry
Sample text
A membrane reactor (MR) is an device for simultaneous performing the reaction and a membrane-mediated separation in the same physical vessel [47], where the enzyme is immobilized onto a semipermeable membrane, which may take the form of a flat sheet or hollow fibers [48]. MRs are commonly employed for biphasic liquid systems. 2d shows one possible configuration (see [41] and [49] for a comprehensive review). The advantages of MRs are connected with the decrease of the pressure drop and fluid channeling, and the high surface area to volume ratio of the membrane [8].
Wanga Y, Xia L, Xu X, Xie L, Duan Z (2012) Lipase-catalyzed acidolysis of canola oil with caprylic acid to produce medium-, long- and medium-chain-type structured lipids. Camacho Paez B, Robles Medina A, Camacho Rubio F, Esteban Cerdá L, Molina Grima E (2003) Kinetics of lipase-catalysed interesterification of triolein and caprylic acid to produce structured lipids. Camacho Paeza B, Robles Medina A, Camacho Rubio F, Gonzalez Moreno P, Molina Grima E (2002) Production of structured triglycerides rich in n-3 polyunsaturated fatty acids by the acidolysis of cod liver oil and caprylic acid in a packed-bed reactor: equilibrium and kinetics.
Akil E, Barea B, Finotelli P, Lecomte J, Torres AG, Villeneuve P (2016) Accesing regio and typo selectivity of Yarrowia lipolytica lipase in its free form and immobilized onto magnetic nanoparticles. Meng X, Xu G, Zhou QL, Wu JP, Yang LR (2014) Highly efficient solvent-free synthesis of 1,3-diacylglycerols by lipase immobilised on nano-sized magnetite particles. Gupta S, Bhattacharya A, Murthy CN (2013) Tune to immobilize lipases on polymer membranes: techniques, factors and prospects. Ríos GM, Belleville MP, Paolucci D (2012) Enzymatic membrane reactors in applications of membrane separations technology: recent advances, chapter 24.