Preparation and Properties of Soy Protein Isolate/Cotton-Nanocrystalline Cellulose Films

Zhao, Guoyu; Zhou, Chongyin; Fan, Fangyu

doi:10.1155/2021/5518136

Cited by 18 publications

(11 citation statements)

References 47 publications

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“…However, the tensile strength obtained in the WPI film containing 10% NCC decreased to 3.981 MPa. This decrease may be associated with the possible aggregation of NCC particles and their nonuniform distribution in the biopolymer matrix, as also reported earlier [14,16]. Similar findings were also reported by Reis et al [7].…”

Section: Mechanical Propertiessupporting

confidence: 88%

“…The increase in tensile strength and the decrease in elongation at break value was also reported earlier that had the same results on the addition of NCC filler in film composites. The same trend was found from the research on soy protein isolate nanocomposites [16], alginate nanocomposites [46], the protein isolate nanocomposites with the addition of cellulose and rosemary essential oils [14], and the WPI composite film loaded with oat-based NCC [41]. The elongation property of the WPI films containing NCC significantly decreased from 12.769% to 0.782%, with the increasing concentration of NCC from 0 to 10%, except for the 7% NCC (p < 0.05).…”

Section: Mechanical Propertiessupporting

confidence: 84%

“…It was due to the weak interfacial bonding between the chain in polysaccharides and microcrystalline cellulose, weakening the strength of the biocomposite film. The highest strength achieved in this study (5.060 MPa) with the addition of 7% NCC was higher than that reported by Ekielski et al [44] but was still lower than the one developed by Zhao et al [16]. This difference could be explained by the differences in the molecular weight, type of filler, and the fibre sources of the developed NCCs in this study.…”

Section: Mechanical Propertiescontrasting

confidence: 70%

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Properties of Biocomposite Film Based on Whey Protein Isolate Filled with Nanocrystalline Cellulose from Pineapple Crown Leaf

et al. 2021

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Among the main bio-based polymer for food packaging materials, whey protein isolate (WPI) is one of the biopolymers that have excellent film-forming properties and are environmentally friendly. This study was performed to analyse the effect of various concentrations of bio-based nanocrystalline cellulose (NCC) extracted from pineapple crown leaf (PCL) on the properties of whey protein isolate (WPI) films using the solution casting technique. Six WPI films were fabricated with different loadings of NCC from 0 to 10 % w/v. The resulting films were characterised based on their mechanical, physical, chemical, and thermal properties. The results show that NCC loadings increased the thickness of the resulting films. The transparency of the films decreased at higher NCC loadings. The moisture content and moisture absorption of the films decreased with the presence of the NCC, being lower at higher NCC loadings. The water solubility of the films decreased from 92.2% for the pure WPI to 65.5% for the one containing 10 % w/v of NCC. The tensile strength of the films peaked at 7% NCC loading with the value of 5.1 MPa. Conversely, the trend of the elongation at break data was the opposite of the tensile strength. Moreover, the addition of NCC produced a slight effect of NCC in FTIR spectra of the WPI films using principal component analysis. NCC loading enhanced the thermal stability of the WPI films, as shown by an increase in the glass transition temperature at higher NCC loadings. Moreover, the morphology of the films turned rougher and more heterogeneous with small particle aggregates in the presence of the NCC. Overall, the addition of NCC enhanced the water barrier and mechanical properties of the WPI films by incorporating the PCL-based NCC as the filler.

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Section: Mechanical Propertiessupporting

confidence: 88%

Section: Mechanical Propertiessupporting

confidence: 84%

Section: Mechanical Propertiescontrasting

confidence: 70%

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Properties of Biocomposite Film Based on Whey Protein Isolate Filled with Nanocrystalline Cellulose from Pineapple Crown Leaf

et al. 2021

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“…Several strategies have been used to improve the properties of WPI-based films, including the incorporation of biomaterials, nanomaterials, plasticizers, and other crosslinking agents to form biocomposite films that incorporate the advantages of biopolymers while minimizing their drawbacks [ 16 , 17 ]. Numerous studies on WPI (protein) based film with the incorporation of nanomaterials such as nanocrystalline cellulose have demonstrated vast improvements on the mechanical properties of the resulting biocomposite films [ 18 , 19 , 20 ].…”

Section: Introductionmentioning

confidence: 99%

Optimization of Biocomposite Film Based on Whey Protein Isolate and Nanocrystalline Cellulose from Pineapple Crown Leaf Using Response Surface Methodology

et al. 2022

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This study employed response surface methodology to optimize the preparation of biocomposites based on whey protein isolate, glycerol, and nanocrystalline cellulose from pineapple crown leaf. The effects of different concentrations of nanocrystalline cellulose as a filler and glycerol as a plasticizer on the thickness, the tensile strength, and the elongation at break on the resulting biocomposite films were investigated. The central composite design was used to determine the optimum preparation conditions for biocomposite films with optimum properties. The regression of a second-order polynomial model resulted in an optimum composition consisting of 4% glycerol and 3.5% nanocrystalline cellulose concentrations, which showed a desirability of 92.7%. The prediction of the regression model was validated by characterizing the biocomposite film prepared based on the optimum composition, at which the thickness, tensile strength, and elongation at break of the biocomposite film were 0.13 mm, 7.16 MPa, and 39.10%, respectively. This optimum composition can be obtained in range concentrations of glycerol (4–8%) and nanocrystalline cellulose (3–7%). Scanning electron microscope images showed that nanocrystalline cellulose dispersed well in the pure whey protein isolate, and the films had a relatively smooth surface. In comparison, a rough and uneven surface results in more porous biocomposite films. Fourier transform infrared spectroscopy revealed that nanocrystalline cellulose and glycerol showed good compatibility with WPI film by forming hydrogen bonds. The addition of nanocrystalline cellulose as a filler also decreased the transparency, solubility, and water vapor permeability and increased the crystallinity index of the resulting biocomposite film.

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“…Soybeans, beans, chickpeas, and lentils are the most relevant in terms of production volumes, market value, and nutritional value [14,15]. Regarding the protein potential of their seeds, legumes have gained importance in the food industry as ingredients in dietary nutritional formulas, meat alternative products [13,14], animal feed, vegetable oil, and protein concentrate [16,17].…”

Section: Introductionmentioning

confidence: 99%

Analysis of Mesquite (Prosopis juliflora) Protein Concentrate for Possible Use as Supplementary Protein

Jaimes-Morales

Marrugo-Ligardo

Acevedo-Correa

2022

International Journal of Food Science

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Vulnerable populations in developing countries need new protein sources, such as protein concentrates from accessible sources at low economic costs. The main objective of this study was at evaluating the nutritional quality of the protein concentrate of the legume mesquite (Prosopis juliflora), compared with the protein values of other legumes described in literature. For this purpose, flour and protein concentrates from mesquite were obtained, along with their chemical composition. Amino acid profiling was performed by high-performance liquid chromatography (HPLC). Protein quality index evaluation tests were also performed on preschool children and adults. The protein content of mesquite was found to be 68%. However, mesquite covers the requirements of essential amino acids, surpassing 31% of the protein required in adults, except for cysteine sulfur amino acids and aromatic amino acids. In other age groups such as children, mesquite had a high content of histidine, which is necessary and considered essential during infant development. According to the above, mesquite could be used as an alternative protein to produce food with high nutritional content.

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Preparation and Properties of Soy Protein Isolate/Cotton-Nanocrystalline Cellulose Films

Cited by 18 publications

References 47 publications

Properties of Biocomposite Film Based on Whey Protein Isolate Filled with Nanocrystalline Cellulose from Pineapple Crown Leaf

Properties of Biocomposite Film Based on Whey Protein Isolate Filled with Nanocrystalline Cellulose from Pineapple Crown Leaf

Optimization of Biocomposite Film Based on Whey Protein Isolate and Nanocrystalline Cellulose from Pineapple Crown Leaf Using Response Surface Methodology

Analysis of Mesquite (Prosopis juliflora) Protein Concentrate for Possible Use as Supplementary Protein

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