Immobilized microbial lipases in the food industry: a systematic literature review
2021
Coelho, Ana Letícia Silva | Orlandelli, Ravely Casarotti
Several studies describe the immobilization of microbial lipases aiming to evaluate the mechanical/thermal stability of the support/enzyme system, the appropriate method for immobilization, acid and alkaline stability, tolerance to organic solvents and specificity of fatty acids. However, literature reviews focus on application of enzyme/support system in food technology remains scarce. This current systematic literature review aimed to identify, evaluate and interpret available and relevant researches addressing the type of support and immobilization techniques employed over lipases, in order to obtain products for food industry. Fourteen selected articles were used to structure the systematic review, in which the discussion was based on six main groups: (i) synthesis/enrichment of polyunsaturated fatty acids; (ii) synthesis of structured lipids; (iii) flavors and food coloring; (iv) additives, antioxidants and antimicrobials; (v) synthesis of phytosterol esters and (vi) synthesis of sugar esters. In general, the studies discussed the synthesis of the enzyme/support system and the characteristics: surface area, mass transfer resistance, activity, stability (pH and temperature), and recyclability. Each immobilization technique is applicable for a specific production, depending mainly on the sensitivity and cost of the process.
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