Preparation and application of zein/ethyl cellulose loaded carvacrol nanofiber pads by electrospinning

  • SUN Siyuan ,
  • LU Lixin
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  • 1(School of Mechanical Engineering, Jiangnan University, Wuxi 214122, China)
    2(Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment & Technology, Wuxi 212142, China)

Received date: 2023-12-29

  Revised date: 2024-01-26

  Online published: 2024-12-27

Abstract

To explore the controlled-release and gas-phase antimicrobial properties of electrospinning active materials and expand their application in food preservation, Zein/EC/CRV nanofiber pads were prepared through electrospinning technology with Carvacrol (CRV) as antimicrobial active agent and zein/ethyl cellulose (EC) as matrix.The physical structure of the fiber pads was characterized by scanning electron microscope, Fourier transform infrared spectrometer and water contact angle, and encapsulation efficiency, loading capacity, antioxidant, antimicrobial and release properties were investigated.Results showed that CRV was successfully encapsulated in Zein/EC matrix.With the increase of CRV content, the viscosity, electrical conductivity of the spinning solution, the electrical conductivity and the diameter of the spinning fiber all decreased.A “dose-effect” relationship exists between the antioxidant and antimicrobial performance of the fiber pads.The DPPH free radical scavenging rate of the fiber pad was 70.4% after 24 hours, and the inhibition rates of E.coli and S.aureus were 76% and 93.4% respectively with the 15% CRV addition.Cake packaging with 5%CRV concentration fiber pads added could significantly inhibit lipid oxidation and microbial growth rate within 10 days.

Cite this article

SUN Siyuan , LU Lixin . Preparation and application of zein/ethyl cellulose loaded carvacrol nanofiber pads by electrospinning[J]. Food and Fermentation Industries, 2024 , 50(23) : 162 -170 . DOI: 10.13995/j.cnki.11-1802/ts.038419

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