Background Food packaging is a globally relevant and widely used technique for food preservation. Natural, biodegradable, and bioavailable polymers are gaining popularity in the field of food packaging. Cellulose and its derivatives are amongst the most abundant and widely used polymers in the packaging industry. There are many natural sources for cellulose, and they can also be obtained from bio-wastes and agricultural wastes. Thus, it is available in large quality and is cost effective. Scope and approach In this review, we discussed the importance, functioning, properties, and characteristics of cellulose and its derivatives for food packaging. The application of cellulose in food packaging from the discovery of cellulose in 1839–2020 was introduced in this article. Which includes its use for the preservation of fruits and vegetables is discussed in detail, and its application as carrier of various natural antibacterial and antioxidant compounds was introduced. Various types of composite films prepared using cellulose and its derivatives are also discussed in this review. Furthermore, numerous functional properties of cellulose have been mentioned. Key findings and conclusion Cellulose is one of the most important polymers in the food industry. This study explores its properties and its encapsulations and stabilization of compounds without altering their properties. Through extensive study of existing literature on the subject, this review compiles the information relevant to the use of cellulose in food preservation. In addition, various future considerations are further presented.

A review of cellulose and its derivatives in biopolymer-based for food packaging application

Novel biopolymer-based sustainable composites for food packaging applications: A narrative review

Even though moisture in food products is useful for the quality of foods, excess moisture in a package is unfavorable to the quality of the food product and the integrity of the package, particularly in the case of high water activity food such as fresh produce and raw meat. In those cases, including moisture absorbers in food packages is helpful. The common process involved in moisture absorption in food packages is physical adsorption. Here, the moisture absorption capacity is reviewed with respect to packages containing high water activity food. The applications of moisture absorbers in food packaging are discussed regarding the benefits achieved and their effectiveness. An overview of various types of moisture absorbers, their forms, and packaging material applications is provided. Particularly, the benefits of moisture absorbers for specific food products are reviewed.

Moisture absorbers for food packaging applications

Highly efficient antifogging and antibacterial food packaging film fabricated by novel quaternary ammonium chitosan composite.

Design of multifunctional food packaging films based on carboxymethyl chitosan/polyvinyl alcohol crosslinked network by using citric acid as crosslinker

Self-healable, transparent, and antifogging polysaccharide films composed of acrylamide-modified chitosan (AMCS) and alginate aldehyde (ADA) were fabricated via layer-by-layer (LBL) assembly. The Schiff base linkage formed between amino groups of AMCS and aldehyde groups of ADA was used to construct the films. Fourier transform infrared spectroscopy and X-ray photoelectron spectra revealed that the films were cross-linked through Schiff base bonds. Ultraviolet–visible spectroscopy and field emission scanning electron microscope characterizations demonstrated that the films exhibited linear growth during the LBL process. The films showed a repetitive self-healing property, and the repeated damage-healing of the films was thickness-dependent. The films can heal the scratches that penetrated to the underlying substrates. Besides the excellent self-healing property, the films showed an antifogging property due to the hydrophilic nature of the two polysaccharides. The antifogging ability of the film was thickn...

Layer-by-Layer Assembly of Polysaccharide Films with Self-Healing and Antifogging Properties for Food Packaging Applications

In this work, 1,3,6,8-pyrenesulfonic acid sodium salt (PTSA) was successfully synthesized via a one-step sulfonating reaction. This method is more convenient, effective and eco-friendly than the traditional one. The as-prepared PTSA exhibits pure blue fluorescence under UV light. Due to its excellent fluorescent properties and water solubility, PTSA was used to prepare water-soluble invisible inks based on hydroxyethyl cellulose (HEC) aqueous solution. Notably, the resulting inks possessed acceptable stability after being stored for 30 days. Besides, the red/green/blue fluorescent inks were obtained by adding extra pigments, all of which exhibited excellent rheology and thixotropy properties. Subsequently, various patterns, including a QR code, the logo of Wuhan University, Chinese characters and so on, were printed on non-background paper through ink-jet and screen printing, and the as-prepared materials exhibited good water solubility and outstanding fluorescence performances, indicating that the fluorescent PTSA material is a promising candidate for anti-counterfeiting applications.

/pdf/a-facile-synthesis-of-1-3-6-8-pyrenesulfonic-acid-2fu8nmp407.pdf

A facile synthesis of 1,3,6,8-pyrenesulfonic acid tetrasodium salt as a hydrosoluble fluorescent ink for anti-counterfeiting applications

Synthesis of hollow polysaccharide microspheres with hierarchically porous structure in alkali/urea mixture through freeze-drying

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Layer-by-Layer Assembly of Polysaccharide Films with Self-Healing and Antifogging Properties for Food Packaging Applications

A facile synthesis of 1,3,6,8-pyrenesulfonic acid tetrasodium salt as a hydrosoluble fluorescent ink for anti-counterfeiting applications

Synthesis of hollow polysaccharide microspheres with hierarchically porous structure in alkali/urea mixture through freeze-drying