Enzymatic Synthesis of Structured Triglycerides: From by María Luján Ferreira, Gabriela Marta Tonetto

By María Luján Ferreira, Gabriela Marta Tonetto

This short provides the cutting-edge on enzymatic synthesis of based triglycerides and diglycerides, concentrating on glycerol because the substrate and protecting interesterification of vegetable oils in a single and steps. It significantly studies the to be had literature on enzymatic and chemo-enzymatic synthesis of di- and triglycerides in a single or extra steps. the results of the constitution, size and unsaturation of the fatty acids are rigorously thought of, in addition to the inhibitory capability of hugely unsaturated complicated fatty acid structures.

The short additionally addresses acyl migration and using adsorbents, taking into consideration the newest literature and featuring the matter in an business context. It discusses experimental and analytical difficulties referring to, e.g. the lab scale and the scaling as much as bench and pilot vegetation. a number of examples are provided, and their successes and screw ups are assessed. Biocatalysts in line with lipases are analyzed with reference 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 elements are tested, e.g. lipase “leaching” with lack of task, taking into consideration the newest findings on non-stop and batch reactor configurations and providing the benefits and downsides of each.

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By María Luján Ferreira, Gabriela Marta Tonetto

This short provides the cutting-edge on enzymatic synthesis of based triglycerides and diglycerides, concentrating on glycerol because the substrate and protecting interesterification of vegetable oils in a single and steps. It significantly studies the to be had literature on enzymatic and chemo-enzymatic synthesis of di- and triglycerides in a single or extra steps. the results of the constitution, size and unsaturation of the fatty acids are rigorously thought of, in addition to the inhibitory capability of hugely unsaturated complicated fatty acid structures.

The short additionally addresses acyl migration and using adsorbents, taking into consideration the newest literature and featuring the matter in an business context. It discusses experimental and analytical difficulties referring to, e.g. the lab scale and the scaling as much as bench and pilot vegetation. a number of examples are provided, and their successes and screw ups are assessed. Biocatalysts in line with lipases are analyzed with reference 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 elements are tested, e.g. lipase “leaching” with lack of task, taking into consideration the newest findings on non-stop and batch reactor configurations and providing the benefits and downsides of each.

Show description

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Extra resources for Enzymatic Synthesis of Structured Triglycerides: From Laboratory to Industry

Example text

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]. The disadvantages are related to the pore plugging and the cost of the membrane and its replacement [12]. For esterification and hydrolysis reactions, it is convenient to have the reactants and products separated during the reaction process. Recently, Gupta [50] developed a biphasic enzymatic MR for the hydrolysis of olive, palm and castor oils.

Considering the context, the structured TG synthesis involves several logistic and academic problems from two sides: the enzyme and the process. Even when enzymes are active and selective, high costs may hinder any industrial application. The use of solvents, several steps and an immobilized lipase are other problems. 4 presents some but not all of the detected problems. It is clear why enzymatic interesterification has so far been almost the only industrially developed process using lipases at this point on a large high for obtaining structured glycerides.

The authors reported that a major problem of non-esterified CLA and its esters from short alcohols is their bitter taste. The near-tasteless CLA TG is the chosen derivative in food formulations. The use of vacuum has been particularly reported in the case of CLA-enriched TG [38]. 4 kPa, respectively. Considering the context, the structured TG synthesis involves several logistic and academic problems from two sides: the enzyme and the process. Even when enzymes are active and selective, high costs may hinder any industrial application.

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