Fabrication and characterization of gelatin/carboxymethyl chitosan composite film incorporated with carvacrol and its preservation efficacy in Chinese mitten crab (Eriocheir sinensis)

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, morpholog...

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Veröffentlicht in:	Food hydrocolloids 2025-03, Vol.160, p.110723, Article 110723
Hauptverfasser:	Bassey, Anthony Pius, Cui, Xiaozhen, Ibeogu, Isaiah Henry, Wang, Fan, Nasiru, Mustapha Muhammad, Bako, Hadiza Kabir, Fan, Linlin, Liu, Xiaoli
Format:	Artikel
Sprache:	eng
Schlagworte:	Active packaging antioxidants Bacterial diversity Carnobacterium Carvacrol chemical structure Chinese mitten crab chitosan composite films crab meat crabs Eriocheir sinensis Fourier transform infrared spectroscopy gelatin hydrocolloids opacity Preservation Pseudoalteromonas Psychrobacter shelf life tensile strength water content water solubility water vapor X-ray diffraction
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Beschreibung
Zusammenfassung:	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
ISSN:	0268-005X
DOI:	10.1016/j.foodhyd.2024.110723