Preparation and characterization of gelatin/zein nanofiber films loaded with perillaldehyde, thymol, or epsilon-polylysine and evaluation of their effects on the preservation of chilled chicken breast
文献类型： 外文期刊
作者： Wang, Debao 1 ; Sun, Jinyue 1 ; Li, Jiaolong 1 ; Sun, Zhilan 1 ; Liu, Fang 1 ; Du, Lihui 3 ; Wang, Daoying 1 ;
作者机构： 1.Minist Sci & Technol, Jiangsu Key Lab Food Qual, Nanjing 210014, Peoples R China
2.Minist Sci & Technol, Safety State Key Lab Cultivat Base, Nanjing 210014, Peoples R China
3.Jiangsu Acad Agr Sci, Inst Agr Prod Proc, Nanjing 210014, Peoples R China
4.Nanjing Univ Finance & Econ, Coll Food Sci & Engn, Collaborat Innovat Ctr Modern Grain Circulat & Sa, Key Lab Grains & Oils Qual Control & Proc, Nanjing 210023, Peoples R China
关键词： Perillaldehyde; Nanofiber films; Biocompatibility; Meat; Preservation
期刊名称：FOOD CHEMISTRY （ 影响因子：9.231； 五年影响因子：8.795 ）
ISSN： 0308-8146
年卷期： 2022 年 373 卷
页码：
收录情况： SCI
摘要： Three edible food packaging films loaded with perillaldehyde (P), thymol (T), or epsilon-polylysine (epsilon-PL) in gelatin/ zein (G/Z) nanofibers were prepared and characterized. Their effects on the preservation of chilled chicken breast were evaluated. Results showed that the addition of perillaldehyde, thymol, and epsilon-polylysine improved the morphology and diameter of the G/Z. Loading with perillaldehyde improved the elongation and tensile strength of the G/Z/P by 18% and 55%, respectively. The water vapor permeability and oxygen permeability of the G/Z/P were lower than those of the G/Z/T and G/Z/epsilon-PL. X-ray diffraction, differential scanning calorimetry suggested that perillaldehyde enhanced the thermal stability of the G/Z/P. Measurements of 3-(4,5-Dimethylthiazol-2-yl)2,5-diphenyltetrazolium bromide (MTT), total volatile basic nitrogen, and total viable bacterial counts demonstrated that the G/Z/P had good bio-compatibility and effectively prolonged the shelf life of chilled chicken breasts by over 6 days. Therefore, the G/Z/P developed herein has potential application in chilled meat packaging.
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