Linpin Luo , Wengang Cai , Wenqiao Su , Meilin Wang , Liang Zhang , Jing Sun , Jianlong Wang
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引用次数: 0
Abstract
The nanomaterials-functionalized composite packaging film with antimicrobial performance has attracted more and more research interests. However, designing the multi-mode synergistic composite film for efficient and intelligent antibacterial is still a challenge. In this work, a Fe-MoOx functionalized chitosan composite film (CS/FM) was designed by doping the Fe-MoOx into chitosan film. CS/FM film inherited excellent photothermal performance and photothermal-enhanced oxidase-like activity of Fe-MoOx, which endow CS/FM film with superior antimicrobial ability. The optimal composite film (CS/FM0.2) able to killed ≥98.87% of S. aureus and ≥98.26% of E. coli, and could significantly inhibit the growth of P. expansum and P. italicum. Besides, CS/FM0.2 film also showed good water vapor permeability (0.71 × 10−10 g m−1 s−1 Pa−1) and tensile strength (58.16 MPa). Low hemolysis rate (≤4.91%), high cell viability (≥90.32%), and the normal body organs after being treated with Fe-MoOx verified the biosafety of CS/FM film. The tangerine preservation results indicated that CS/FM0.2 film could extend the shelf life of tangerine by at least 9 days and prevent the loss of tangerine nutrients. Our work boosted the development of designing composite packaging film with multi-mode synergistic antimicrobial effect via nanomaterials functionalized for food preservation.
期刊介绍：
Food Hydrocolloids publishes original and innovative research focused on the characterization, functional properties, and applications of hydrocolloid materials used in food products. These hydrocolloids, defined as polysaccharides and proteins of commercial importance, are added to control aspects such as texture, stability, rheology, and sensory properties. The research's primary emphasis should be on the hydrocolloids themselves, with thorough descriptions of their source, nature, and physicochemical characteristics. Manuscripts are expected to clearly outline specific aims and objectives, include a fundamental discussion of research findings at the molecular level, and address the significance of the results. Studies on hydrocolloids in complex formulations should concentrate on their overall properties and mechanisms of action, while simple formulation development studies may not be considered for publication.
The main areas of interest are:
-Chemical and physicochemical characterisation
Thermal properties including glass transitions and conformational changes-
Rheological properties including viscosity, viscoelastic properties and gelation behaviour-
The influence on organoleptic properties-
Interfacial properties including stabilisation of dispersions, emulsions and foams-
Film forming properties with application to edible films and active packaging-
Encapsulation and controlled release of active compounds-
The influence on health including their role as dietary fibre-
Manipulation of hydrocolloid structure and functionality through chemical, biochemical and physical processes-
New hydrocolloids and hydrocolloid sources of commercial potential.
The Journal also publishes Review articles that provide an overview of the latest developments in topics of specific interest to researchers in this field of activity.
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