Food and Fermentation Industries >

2026 , Vol. 52 >Issue 7: 295 - 301

DOI: https://doi.org/10.13995/j.cnki.11-1802/ts.043016

Indicators of γ-cyclodextrin metal-organic frameworks encapsulated with curcumin for monitoring freshness of freshwater shrimp

  • ZHANG Lei ,
  • WANG Lijuan ,
  • WANG Guiying
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  • (College of Home and Art Design, Northeast Forestry University, Harbin 150040, China)

Received date: 2025-04-14

  Revised date: 2025-08-27

  Online published: 2026-04-17

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Abstract

To improve the stability of curcumin(Cur) indicator labels, sodium carboxymethyl cellulose and polyvinyl alcohol were used-as film forming substrates and γ-cyclodextrin metal-organic frameworks(γ-CD-MOF) encapsulated curcumin was used as an indicator to prepare smart indicator labels with different concentrations.The morphology, thermal stability and mechanical properties of smart labels were characterized and analyzed.Results showed that when the addition amount of γ-CD-MOF/Cur was 4%, the surface of the intelligent indicator label was relatively uniform, the thermal stability was good, the tensile strength was 19.12 MPa, and the elongation at break was 26.95%.In the monitoring of freshwater shrimp deterioration TVB-N increased from 1.95 mg/100 g to 29.3 mg/100 g, the smart label changed from yellow to red, and the response effect was good.This study provides a reference for the real-time freshness indicator of freshwater shrimp.

Key words： cyclodextrin metal-organic frameworks; polyvinyl alcohol; sodium carboxymethyl cellulose; curcumin; smart indicator

Cite this article

ZHANG Lei , WANG Lijuan , WANG Guiying . Indicators of γ-cyclodextrin metal-organic frameworks encapsulated with curcumin for monitoring freshness of freshwater shrimp[J]. Food and Fermentation Industries, 2026 , 52(7) : 295 -301 . DOI: 10.13995/j.cnki.11-1802/ts.043016

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