机构：[1]Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan Province 650500, China[2]Yunnan Academy of Forestry and Grassland, Kunming, Yunnan Province 650204, China[3]Zhongken Huashan Mu Dairy Co., LTD, Weinan, Shaanxi Province 714000, China.
In this study, zein/apple pectin/tea polyphenol layer-by-layer assembled cling film prepared by solution casting was characterized, and the preservation effect of composite coatings, double, triple, and quadruple multilayer layer-by-layer assembly coatings on fresh walnut kernels at 4 degrees C was evaluated. As the number of assembly layers increased, the water vapor barrier increased, and the lower the film's UV transmittance. The assembled film's antioxidant and antibacterial activities were significantly higher than composite film. The moisture, color, and texture of the fresh walnut kernels treated with the assembled coatings were less different from 0 d fresh walnut kernels after 40 d of storage at 4 degrees C. The acid value, peroxide value, and total number of bacterial colonies of the fresh walnut kernels with 4-layer assembled coatings were significantly lower than those of the composite coatings. Overall, zein/apple pectin/tea polyphenol layer-by-layer assembled coating is an effective way to the fresh walnut kernel preservation.
基金：
Science and Technology Projects in Yunnan Province [202202AE090007]; Department of Science and Technology of Shaanxi Province Department of City Linkage Weinan Modern Agricultural Key Projects [2022GD-TSLD-58-1]; Special Project for High-level Scientific and Technological Talents and Innovation Teams of Yunnan Province [202405AS350005]; Yunnan Province Talent Training Project [KKRD202023026]
第一作者机构：[1]Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan Province 650500, China
通讯作者：
通讯机构：[1]Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan Province 650500, China[3]Zhongken Huashan Mu Dairy Co., LTD, Weinan, Shaanxi Province 714000, China.[*1]Kunming University of Science and Technology, Room 203, Agricultural Engineering Building, No. 727, Jingming South Road, Chenggong District, Kunming, Yunnan Province 650500, China.[*2]Zhongken Huashan Mu Dairy Co., LTD, Zhongken Road, Economic and Technological Development Zone, Weinan, Shaanxi Province, China 714000
推荐引用方式(GB/T 7714)：
Li Wenwen,Qin Yu,Zhang Beibei,et al.Effect of different zein/tea polyphenol/apple pectin coating on nutritional, physicochemical properties of fresh walnut kernel preservation[J].FOOD CHEMISTRY.2025,475:doi:10.1016/j.foodchem.2025.143230.
APA：
Li, Wenwen,Qin, Yu,Zhang, Beibei,Zhang, Wenwen,Yao, Dengjie...&Huang, Rui.(2025).Effect of different zein/tea polyphenol/apple pectin coating on nutritional, physicochemical properties of fresh walnut kernel preservation.FOOD CHEMISTRY,475,
MLA：
Li, Wenwen,et al."Effect of different zein/tea polyphenol/apple pectin coating on nutritional, physicochemical properties of fresh walnut kernel preservation".FOOD CHEMISTRY 475.(2025)
农林科学