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  • Title: Biocatalysis of aromatic benzyl-propionate ester by different immobilized lipases.
    Author: Sá AGA, de Meneses AC, Lerin LA, de Araújo PHH, Sayer C, de Oliveira D.
    Journal: Bioprocess Biosyst Eng; 2018 May; 41(5):585-591. PubMed ID: 29350294.
    Abstract:
    Benzyl propionate is an aromatic ester that possesses a fruity odor and is usually found in nature in the composition of some fruits such as plums and melons. This work aimed for the benzyl propionate synthesis by esterification using a new immobilized enzyme preparation with low-cost material from Candida antarctica (NS 88011) and three commercial immobilized lipases (Novozym 435, Lipozyme TL-IM and Lipozyme RM-IM). Novozym 435 had the best performance even when the solvent tert-butanol was absent of the reaction medium. Results from a 22 factorial design showed that an increase in the enzyme amount led to a higher conversion, even when the temperature was kept at the low value. Currently, no research had synthesized successfully benzyl propionate via esterification mediated by lipases; and we reached an ester conversion of ~ 44% after 24 h indicating that it is a promising route for benzyl propionate biotechnological production.
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