Development of emulsion films based on bovine gelatin-nano chitin-nano ZnO for cake packaging

Food Science & Nutrition
Samar SahraeeHamed Hamishehkar

Abstract

This research extends the effect of packaging with bovine gelatin, gelatin nanocomposite (GN), gelatin emulsion (GE), two layers gelatin nanocomposite and gelatin emulsion (GNE), and polyethylene (PE) films on sponge cake properties during storage at 25°C and 55 ± 2% RH. In this regard, water vapor permeability (WVP) and oxygen permeability (OP) of films were compared. Then, moisture content, acidity, peroxide value, texture profile, organoleptic properties, and fungal growth of packed cakes were determined. Results showed that the addition of nanoparticles could reduce the water vapor permeability from 9.680 ± 0.460 × 10-10 (g m/sm-2Pa-1) for net gelatin film to 6.067 ± 0.337 × 10-10 (g m/sm-2 Pa-1) for gelatin nanocomposite film and oxygen permeability from 39.262 (cm3μm/ m2dkPa) for net gelatin film to 29.645 (cm3μm m-2 dkPa) for nanocomposite film. However, GNE films had the highest barrier properties. Results of acidity and peroxide values of cakes admitted the sufficiency of GNE films for sponge cakes packaging. In addition, antifungal properties of nanoparticles led to less fungal growth on cakes packed in GNE films. The cakes packed in GNE films own more organoleptic and texture acceptability than the ones packed in oth...Continue Reading

References

May 22, 2013·Carbohydrate Polymers·Abdorreza Mohammadi NafchiA A Karim
Aug 29, 2013·Nanoscale Research Letters·Jalal RouhiMohamad Rusop Mahmood
Sep 26, 2015·Food Science & Nutrition·Maryam AraghiAmir Daraei Garmakhany
Dec 31, 2016·International Journal of Biological Macromolecules·Samar SahraeeHamed Hamishehkar
Feb 25, 2017·International Journal of Biological Macromolecules·Mohammad Mehdi MarvizadehMaryam Jokar
Mar 7, 2019·International Journal of Biological Macromolecules·Yifan LiKeyong Tang

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Citations

Jan 10, 2021·International Journal of Biological Macromolecules·Mehran Dolat KhahAlireza Ostadrahimi

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