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Fabrication of Immobilized Lipases from on Hierarchical Mesoporous Silica for Enzymatic Enrichment of ω-3 Polyunsaturated Fatty Acids by Selective Hydrolysis

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Journal Food Chem X
Date 2024 May 23
PMID 38779499
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Abstract

In this study, lipase from immobilized on hydrophobic hierarchical porous hollow silica microsphere (HPHSM-C3) via adsorption. The prepared biocatalyst HPHSM-C3@CRL exhibited higher activity, thermal and pH stability. HPHSM-C3@CRL remained 70.2% of initial activity after 30 days of storage at 24 °C and 50.4% of initial activity after 10 cycles. Moreover, HPHSM-C3@CRL was utilized in enzymatic enrichment of omega-3 polyunsaturated fatty acids (ω-3 PUFAs) in glycerides, achieving ω-3 PUFAs content of 53.42% with the hydrolysis rate of 48.78% under optimal condition. The K and V value of HPHSM-C3@CRL was 42.2% lower and 63.5% higher than those of CRL, respectively. The 3D structure analysis of CRL, substrates and pore structure of HPHSM-C3 suggested that the hierarchical pore improved activity and selectivity of immobilized lipase. This result demonstrated that HPHSM-C3@CRL may be an effective biocatalyst for the enzymatic enrichment of ω-3 PUFAs in food industries.

Citing Articles

A Comprehensive Study for Determination of Free Fatty Acids in Selected Biological Materials: A Review.

Ucar B, Gholami Z, Svobodova K, Hradecka I, Honig V Foods. 2024; 13(12).

PMID: 38928832 PMC: 11203194. DOI: 10.3390/foods13121891.

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