Fabrication and characterization of gelatin/carboxymethyl chitosan composite film incorporated with carvacrol and its preservation efficacy in Chinese mitten crab ( Eriocheir sinensis)
文献类型： 外文期刊
作者： Bassey, Anthony Pius 1 ; Cui, Xiaozhen 1 ; Ibeogu, Isaiah Henry 2 ; Wang, Fan 1 ; Nasiru, Mustapha Muhammad 1 ; Bako, Hadiza Kabir 2 ; Fan, Linlin 1 ; Liu, Xiaoli 1 ;
作者机构： 1.Jiangsu Acad Agr Sci, Inst Agroprod Proc, Nanjing 210014, Peoples R China
2.Nanjing Agr Univ, MARA Coll Food Sci & Technol, State Key Lab Meat Qual Control & Cultured Meat De, MOST Key Lab Meat Proc, Nanjing, Peoples R China
关键词： Chinese mitten crab; Active packaging; Carvacrol; Bacterial diversity; Preservation; Films
期刊名称：FOOD HYDROCOLLOIDS （ 影响因子：12.4； 五年影响因子：13.3 ）
ISSN： 0268-005X
年卷期： 2025 年 160 卷
页码：
收录情况： SCI
摘要： The demand for active food packaging to enhance the shelf-life of food products is increasing globally. Hence, composite films were fabricated with gelatin (GL) and carboxymethyl chitosan (CC) at different carvacrol (CA) proportions (0, 1, 2, and 3 %). The physical and chemical properties, morphology, molecular characteristics, and bioactivities were investigated. CA markedly improved the thickness, tensile strength, elongation-at-break, and opacity of the films, ranging from 0.12 to 0.17 mm, 26.92-47.46 MPa, 29.15-32.67%, and 1.73-3.88 mm in GL/ CC/CA-0 and 3%, respectively (p < 0.05). Moisture content (12.78%), swelling ratio (47.06%), water solubility (40.25), and water vapor barrier (2.55-4.73 x 10-11 g-1 s-1 Pa-1) were significantly reduced in GL/CC/CA3% films. While the micrographs revealed the even distribution of CA in the GL/CC matrix, its addition did not affect the chemical structure of the matrix according to the Fourier transform infrared and X-ray diffraction results. The antioxidant and antibacterial activities were also enhanced, with the shelf life extended by 3 d in the GL/CC/CA-3%-packaged crab meat. Besides, the inhibition of the abundant spoilers, Pseudoalteromonas, Carnobacterium, and Psychrobacter in the GL/CC/CA-3% group affirmed the promising potential of GL/CC/CA films in preserving crab meats.
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