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Updated: Aug 5, 2025
Author Spotlight: Process Development for the Spray-Drying of Probiotic Bacteria and Evaluation of the Product Quality
Published on: April 7, 2023
Novel gellan gum-based probiotic film with enhanced biological activity and probiotic viability: Application for
Zhikun Yang1, Chuang Li1, Tao Wang1
1Agricultural Product Processing and Storage Lab, International Joint Research Laboratory of Intelligent Agriculture and Agri-products Processing, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China.
Abstract:
A novel probiotic film based on gellan gum (GN), cranberry extract (CE), and Lactococcus lactis (LA) was developed in the present study. The fluorescence and SEM image results showed that GN/CE film containing LA was successfully fabricated. The incorporation of LA significantly enhanced the antibacterial activity of the film. The presence of CE strengthened the antioxidant activity and LA survivability in the film. The combination of LA (0-1.0 %) and CE (0.5-1.0 %) improved the mechanical property of the film through the formation of density structure. The best comprehensive properties were obtained with the film containing 2.0 %LA and 0.5 %CE. The GN/2.0 %LA/0.5 %CE film also showed the optimal preservation effect on fresh-cut potatoes and apples. Hence, GN/2.0 %LA/0.5 %CE probiotic film has proved to be suitable for fruit and vegetable preservation.
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