Development and characterization of gliadin-based bioplastic films enforced by cinnamaldehyde

Feng, Jia; Wang, Jing Jing; Huang, Yanbo; Zhao, Jinsong; Hou, Yi; Hu, Song-Qing

doi:10.1016/j.jcs.2021.103208

Cited by 13 publications

(17 citation statements)

References 29 publications

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“…Similar results have been obtained by other authors, since the use of different crosslinking agents produced a variation in the initial colour of the bioplastics, as the darkening of agarose bioplastic films using citric acid [38] or the modification of the colour of gluten-based bioplastics using glutaraldehyde or glyoxal agents [16]. In fact, as commented by Jia et al [39], the use of aldehydes (cinnamaldehyde) as crosslinking agents produced a darkening and higher opacity of gliadin-based films [40].…”

Section: Physicochemical Propertiessupporting

confidence: 87%

“…On the other hand, the soluble matter loss remained constant at 48%, which means that, apart from glycerol, because of the high solubility of pea protein, a small amount of soluble protein was also lost during immersion [44]. These results have been corroborated by Jia et al [39], who showed that the addition of cinnamaldehyde as crosslinking agent produced a decrease in the water absorption [40].…”

Section: Functional Propertiesmentioning

confidence: 65%

“…The bioplastic obtained with glyoxal (3%) is the system with the highest value of the maximum stress, but with a strain at break lower than that of the other systems, except for the glutaraldehyde one. This fact, together with the high value of Young's modulus, indicates that the use of glutaraldehyde produced less deformable systems, as demonstrated by Pavoni et al [41] by using glutaraldehyde crosslinking on chitosan films [39]. It could be noted that, in general, the behavior in traction is clearly different with respect to bending.…”

Section: Mechanical Propertiesmentioning

confidence: 80%

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Influence of the Aliphatic Chain Length on the Crosslinking Properties of Aldehydes on Sustainable Bioplastics Obtained from Pea Protein

et al. 2022

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Conventional plastics can be substituted for protein-based bioplastics due to their natural origin and their biodegradability. Nevertheless, their properties are inferior to those obtained for synthetic plastics. The chemical crosslinking of these bioplastics with aldehydes could improve their properties to compete in the actual market. Thus, the main goal of this article was to assess the influence of the incorporation of aldehydes with different aliphatic chain length on the physicochemical (crosslinking degree, colour and transparency), mechanical (flexural and tensile behaviour) and functional (water uptake capacity and biodegradability) properties of protein-based bioplastics. In this sense, pea protein, a by-product of food industry, was used as raw material, processing it by injection moulding to obtain the bioplastics. Formaldehyde, glyoxal and glutaraldehyde were the aldehydes used as crosslinking agents. The results show the rise of the mechanical properties with the incorporation of the aldehydes, depending on the degree of crosslinking they generate. All this also causes a consequent loss of the water uptake capacity and an increase in biodegradability time. In conclusion, this work opens a new alternative to develop sustainable bioplastics that can be used in the market.

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Section: Physicochemical Propertiessupporting

confidence: 87%

Section: Functional Propertiesmentioning

confidence: 65%

Section: Mechanical Propertiesmentioning

confidence: 80%

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Influence of the Aliphatic Chain Length on the Crosslinking Properties of Aldehydes on Sustainable Bioplastics Obtained from Pea Protein

et al. 2022

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“…Opacity was calculated as absorbance divided by film thickness (in millimeters). To investigate the UV resistance, the prepared film segments were pictured and placed in the light path of a UV‐visible spectrophotometer and the transmittance was recorded from 200 to 800 nm 15 …”

Section: Methodsmentioning

confidence: 99%

Functional properties and formation mechanisms of dialdehyde polysaccharides crosslinked gliadin‐films enforced by alkaline condition

et al. 2023

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BACKGROUND The usage of natural polysaccharides is attractive to researchers around the world. At the same time, non‐/low‐toxic crosslinkers prepared by polysaccharides are expected to fabricate protein‐based films in many fields. Herein, different dialdehyde polysaccharides (DPs) were successfully synthesized and applied to prepare gliadin‐films under alkaline conditions. The functional properties and formation mechanisms of the films were fully investigated. RESULTS The results showed that the mechanical properties, water‐resistant properties, thermal stability, and antibacterial properties of the gliadin‐films were improved by DPs and alkali treatment. Particularly dialdehyde dextrin (DAD) crosslinked gliadin‐films showed the highest tensile strength, but no additional effect on their elongation, or advancement on the other functional properties. The film‐forming mechanisms indicated that Schiff base bonds, hydrophobic interactions, electrostatic interactions, and hydrogen bonds were the main forces in the films, supporting their improvement in functional properties. CONCLUSION DPs, especially DAD, can be a promising crosslinker in fabricating gliadin‐films. These findings have shown great promise to seek an effective crosslinker for fabricating gliadin/protein‐based packaging. © 2023 Society of Chemical Industry.

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“…Cinnamaldehyde (CIN) is a high effective antimicrobial agent for killing the microorganism which is the main component of essential cinnamon oil (about 85%) with high purity of 98% ( 17 ). It is also used as a green crosslinker that crosslinks with the protein under alkaline conditions via Schiff base and Michael's addition reaction ( 18 ).…”

Section: Introductionmentioning

confidence: 99%

Characterization of the Antimicrobial Edible Film Based on Grasshopper Protein/Soy Protein Isolate/Cinnamaldehyde Blend Crosslinked With Xylose

et al. 2022

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A composite material based on a new insect-based grasshopper protein (GP)/soy protein isolate (SPI) blend has been studied by solution casting using xylose as a crosslinker and cinnamaldehyde (CIN) as an antimicrobial agent to develop a novel antimicrobial edible packaging. In this paper, the effects of SPI, xylose, and CIN content on the properties of edible film were studied. The tensile test confirmed that 30% SPI incorporation content had the best blending effect with the mechanical properties and barrier properties improving obviously. After adding 10% xylose to form crosslinking network, the tensile strength and elongation at the break of the film showed the best state increasing to 3.4 Mpa and 38%, respectively. The 30% CIN enabled the film to be resistant to Escherichia coli and Staphylococcus aureus strongly and decreased the water vapor permeability to 1.8 × 1011 (g/cm·s·Pa) but had a negative effect on the mechanical properties. This is the first time that edible insects have been used to produce the natural edible antimicrobial packaging, proving edible insects, an excellent protein source, are tipped to be a potential source of raw materials for biomaterials.

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Development and characterization of gliadin-based bioplastic films enforced by cinnamaldehyde

Cited by 13 publications

References 29 publications

Influence of the Aliphatic Chain Length on the Crosslinking Properties of Aldehydes on Sustainable Bioplastics Obtained from Pea Protein

Influence of the Aliphatic Chain Length on the Crosslinking Properties of Aldehydes on Sustainable Bioplastics Obtained from Pea Protein

Functional properties and formation mechanisms of dialdehyde polysaccharides crosslinked gliadin‐films enforced by alkaline condition

Characterization of the Antimicrobial Edible Film Based on Grasshopper Protein/Soy Protein Isolate/Cinnamaldehyde Blend Crosslinked With Xylose

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