Chitosan active coating on paperboard surface forming an anti‐insect grain‐based food packaging

Silva, Mariangela Fátima; Maciel, Vinícius Borges Vieira; Noletto, Ana Paula Reis; Venturini, Anna Cecília; Carvalho, Rosemary Aparecida de; Yoshida, Cristiana Maria Pedroso

doi:10.1002/pts.2634

Cited by 9 publications

(3 citation statements)

References 56 publications

(60 reference statements)

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“…The solid content of the coating applied on MPB was estimated at 21 g·m −2 based on the chitosan, palmitic acid, and activated carbon formulation. The MPB presented visual homogeneity; the coating did not delaminate after continuous and rigorous handling, indicating the coating's adherence to the paperboard surface and the chitosan compatibility with the cellulose paperboard sheet 41 …”

Section: Resultsmentioning

confidence: 95%

“…The lipid presence in coating formulation could enhance the hydrophobicity and tortuosity, prolonging the transfer distance of water vapor molecules since moisture migrates more rapidly in the hydrophilic matrix than in a hydrophobic phase 18 . The hydrophobic character of palmitic acid and activated carbon have improved the paperboard's barrier to water and water vapor, reducing interactions between the polar groups of water and cellulose 41,52 . The higher solid content contributes by filling the cellulosic pores, 53 reducing the permeation of water vapor molecules.…”

Section: Resultsmentioning

confidence: 99%

“…However, several authors have used this methodology with biopolymer coatings on the paper surface to compare with the usual commercial material. The same method was used in chitosan coatings incorporated with lemongrass essential oil for anti‐insect action, 41 coating based on poly(lactic) acid (PLA) incorporated with polyethylene glycol (PEG) 58 and coating of chitosan and carboxymethylcellulose blends reinforced with crystalline nanocellulose 59 …”

Section: Resultsmentioning

confidence: 99%

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Bio‐based multilayer paperboard for sustainable packaging application

Santos

Noletto

Azeredo

et al. 2023

J of Applied Polymer Sci

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Bio‐based packaging materials are an emerging environment‐friendly alternative to conventional plastic food packaging materials, at least for some applications. The innovation of this work was to develop a sustainable cellulosic packaging material based on chitosan/palmitic acid/activated carbon coating with potential applications for single‐use food packaging. The study developed a multilayer paperboard (MPB), evaluating the effects of a paperboard surface coating by chitosan (2.0% w/w), palmitic acid (1.8% w/w), and activated carbon (1.2% w/w) applied in three coating layers. The water vapor transmission rate (WVTR) of coated paperboard was reduced compared to uncoated paperboard, associated with the coating suspension filling of the pores of the cellulosic matrix, the palmitic acid hydrophobic characteristic, and the nonpolar nature of activated carbon (acted by repelling the vapor molecules of water). A grease resistance of Kit solution 11 of MPB was observed. The stiffness and elongation capacity increased, indicating the rigidity and flexibility of the MPB. The deposition of palmitic acid and activated carbon influenced the roughness increase. The biodegradability in the soil after 188 days of MPB was 55.01%, and the control (uncoated paperboard) was 69.38%. The coating did not impact the degradation behavior of cellulose.

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Section: Resultsmentioning

confidence: 95%