Chitosan‐based nanofragrance with antibacterial function applied to wallpaper

Zhang, Tianlu; Lü, Zhiguo; Yang, Jun; Wang, Jianze; Shen, Jie; Wang, Xiangyu; Xiao, Zuobing; Niu, Yunwei; Chen, Lei; Zhang, Xin

doi:10.1002/elsc.202000016

Cited by 3 publications

(2 citation statements)

References 24 publications

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“…Specifically, vanillin was encapsulated in chitosan/poly(lactic-co-glycolic acid (PLGA) nanocapsules to prepare an aromatic wallpaper with an additional antibacterial action. Thanks to the presence of chitosan, the nanospheres showed an antibacterial effect against Gram positive and Gram negative, and the adhesion on the wallpaper was also enhanced [ 216 ]. In another work, the encapsulated EO had an antibacterial effect.…”

Section: Applications Of Micro-/nanoencapsulated Fragrances and Flmentioning

confidence: 99%

Encapsulation of Flavours and Fragrances into Polymeric Capsules and Cyclodextrins Inclusion Complexes: An Update

2020

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Flavours and fragrances are volatile compounds of large interest for different applications. Due to their high tendency of evaporation and, in most cases, poor chemical stability, these compounds need to be encapsulated for handling and industrial processing. Encapsulation, indeed, resulted in being effective at overcoming the main concerns related to volatile compound manipulation, and several industrial products contain flavours and fragrances in an encapsulated form for the final usage of customers. Although several organic or inorganic materials have been investigated for the production of coated micro- or nanosystems intended for the encapsulation of fragrances and flavours, polymeric coating, leading to the formation of micro- or nanocapsules with a core-shell architecture, as well as a molecular inclusion complexation with cyclodextrins, are still the most used. The present review aims to summarise the recent literature about the encapsulation of fragrances and flavours into polymeric micro- or nanocapsules or inclusion complexes with cyclodextrins, with a focus on methods for micro/nanoencapsulation and applications in the different technological fields, including the textile, cosmetic, food and paper industries.

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Section: Applications Of Micro-/nanoencapsulated Fragrances and Flmentioning

confidence: 99%

Encapsulation of Flavours and Fragrances into Polymeric Capsules and Cyclodextrins Inclusion Complexes: An Update

2020

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“…Subtly controllable release of profragrance is very critical for long‐lasting scent on flavored products in fine chemical industries such as cosmetics, 1,2 detergents, 3 leathers, 4 and wallpapers 5‐7 . However, such precursor strategy is significantly limited by unreliable controllability, inadequate reproducibility, and inefficient release.…”

Section: Introductionmentioning

confidence: 99%

pH‐activated polymeric profragrances for dual‐controllable perfume release

et al. 2021

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Design of controllable nanoprofragrances is critically challenging in cosmetic and decoration industries. Given that most profragrances based on physical encapsulation always suffer unreliable controllability, undefined loading efficiency, and poor stability, here we have for the first time constructed dual‐controllable profragrance platform based on pH‐activated polymer to achieve the specific pH‐triggered fragrance release, which consists of hydrophilic PEG unit, hydrophobic pH‐activated unit, and pH‐triggered unit, thereby guaranteeing profragrances with delicate controllability, homogeneous nanoparticles, well‐defined loading efficiency, and high stability. Dynamic laser scattering experiments demonstrate that the activated polymers possess excellent pH‐switchable property with high stability. Particularly, time‐dependent headspace release performance of all three profragrances is fitting to First‐Order kinetic model (R2 > 0.99). Finally, the step‐by‐step controllability of the profragrance platform with pH‐activated behavior and subsequently pH‐triggered release is realized both in aqueous solution and on targeted leather surface, which is highly desirable for the long‐lasting scent.

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Nanocapsule-Based Reactive Nano-Fragrances with Slow-Release and Antibacterial Performances for Applications of Commodities

Wang

Qiu

Dong

et al. 2022

j biomed nanotechnol

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Fragrances are widely used in everyday life. However, too fast volatilization rates and poor adhesion on substrates limit their applications. In this study, reactive nano-fragrance based on cyanuric chloride (CYC)-modified chitosan (CSCYC) were prepared by a solvent evaporation method. First, CS-CYC was synthesized. Subsequently, CS and CS-CYC were utilized to prepare nano-fragrances. The results demonstrated that adding CS and CS-CYC could significantly improve the fragrance encapsulation efficiency and reduce the release rate of phenylethanol. phenylethanol Moreover, the adhesion of nano-capsules on commodities was improved with CS by forming hydrogen bonds. CYC on the surface of the nanocapsules further enhanced the conglutination of nano-fragrances on commodities by a condensation reaction with wallpaper. Additionally, the addition of both CS and CS-CYC imparted antibacterial activity for the nano-fragrances against Gram-positive and Gram-negative bacteria with excellent biosafety. Therefore, the reactive nano-fragrances with antimicrobial activity and slow-release properties could provide a comfortable and healthy living environment, making them have vast application potential.

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Chitosan‐based nanofragrance with antibacterial function applied to wallpaper

Cited by 3 publications

References 24 publications

Encapsulation of Flavours and Fragrances into Polymeric Capsules and Cyclodextrins Inclusion Complexes: An Update

Encapsulation of Flavours and Fragrances into Polymeric Capsules and Cyclodextrins Inclusion Complexes: An Update

pH‐activated polymeric profragrances for dual‐controllable perfume release

Nanocapsule-Based Reactive Nano-Fragrances with Slow-Release and Antibacterial Performances for Applications of Commodities

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