Physicochemical properties of soy protein isolate/carboxymethyl cellulose blend films crosslinked by Maillard reactions: Color, transparency and heat-sealing ability

Su, Jun-Feng; Yuan, Xiaoyan; Huang, Zhen; Wang, Xinyu; Lu, Xu-Zhen; Zhang, Lidan; Wang, Shengbao

doi:10.1016/j.msec.2011.09.009

Cited by 66 publications

(38 citation statements)

References 26 publications

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“…DE obviously decreased with decreases in the residual lignin content, since the lack of color absorption renders the pure cellulose colorless (Zhu et al 2012). In general, film color is influenced by factors such as the cross-linkage degree, thermal treatment and fabrication process (Su et al 2012). However, in the present work, the nature of the raw material greatly affects this parameter.…”

Section: Resultsmentioning

confidence: 71%

“…This effect may have Overall, natural films should be as close to colorless as possible to simulate the appearance of common polymeric films (Ghanbarzadeh and Almasi 2011). In addition, colored films may turn more yellow and darker with time (Su et al 2012). Potential applications for films produced from nanofibers include printing papers and packaging, for which high brightness cellulose pulp is desired (Hietanen et al 2013); hence, P. gigantocarpa and E. grandis nanofiber films showed better possibilities for the final purpose.…”

Section: Resultsmentioning

confidence: 99%

“…In addition, nanofiber films seem to be most adequate for barrier applications in novel packaging concepts (Syverud et al 2011;Syverud and Stenius 2009). For the above-mentioned applications, the optical properties of films are crucial in terms of consumer acceptance and ongoing complexities created by their demands (Su et al 2012;Khanzadi et al 2015). Comparisons between films from hardwood and softwood pulps were made, and the differences in optical quality were mainly attributed to the cellulose source (Syverud et al 2011).…”

Section: Introductionmentioning

confidence: 99%

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How the chemical nature of Brazilian hardwoods affects nanofibrillation of cellulose fibers and film optical quality

et al. 2015

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A wide range of alternative cellulose fibers for the development of new green nanomaterials can be obtained from Brazil's natural resources. The objective of the work is to evaluate the influence of the chemical composition of hardwoods on the nanofibrillation process and optical quality of nanofiber films. Wood wastes were selected from three native Amazonian species and from exotic planted Eucalyptus grandis species. Wood sawdust was submitted to chemical alkali and bleaching pretreatments. Nanofibers were produced from the bleached fibers after 10, 20, 30 and 40 passes through a Super Mass Colloider grinder, and films were produced by the casting method. Raw sawdust, alkali-treated fibers and bleached fibers were evaluated by the major chemical components, syringyl/guaiacyl ratio, Fourier transformed infrared spectroscopy, oxygen/carbon ratio and scanning electron microscopy. Morphological characteristics of nanofibers and films were analyzed by transmission and scanning electron microscopies. Optical parameters studied for the films were the opacity, total color difference and b value. The main challenge to delignification was attributed to the low syringyl/guaiacyl ratio. The different chemical natures of Amazonian and eucalyptus hardwoods greatly affected pretreatments and, consequently, the nanofibrillation and optical quality of the films. Consequences observed for highly purified cellulose starting fibers are: (1) lower diameters for individual nanofiber elements; (2) fewer opaque and colored films produced from nanofibers; (3) a tendency to stabilization of the nanofibrillation process after 20 passes through the grinder. For species whose chemical nature hindered cellulose purification, the increased number L. Bufalino (of passes through the grinder continuously decreased the opacity.

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Section: Resultsmentioning

confidence: 71%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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How the chemical nature of Brazilian hardwoods affects nanofibrillation of cellulose fibers and film optical quality

et al. 2015

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“…XRD analysis helps in describing the physical properties of samples in terms of crystalline structure and in addition it also assesses the compatibility of each component material present in the blended films [38]. Table 3, Figure 6a and 6b shows the X-ray diffractogram details and patterns of pure chitosan and nanochitosan.…”

Section: X-ray Diffraction Studies (Xrd)mentioning

confidence: 99%

Synthesis, Characterization and Applications of Nanochitosan/Sodium Alginate/Microcrystalline Cellulose Film

Vijayalakshmi¹,

Bm²,

PN³

et al. 2016

J Nanomed Nanotechnol

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The antimicrobial potential of the synthesized ternary nanochitosan (NCS)/sodium alginate (SA)/microcrystalline cellulose (MC) (extracted from banana fiber) film in 4:16:1 ratio against Bascillus subtilis and E. coli are reported here. Initially the present work focuses on the synthesis and characterization of ternary nanochitosan (NCS)/sodium alginate (SA)/microcrystalline cellulose (MC) (extracted from banana fiber) film. The prepared NCS/SA/MC film sample was then characterized using advanced analytical techniques such as FT-IR, XRD, TGA, DSC and SEM studies. The obtained results of FT-IR studies clearly indicate that the nanochitosan gets effectively binded with the sodium alginate and the microcrystalline cellulose in the film form. The change in crystallinity and the increased thermal behavior was elucidated from XRD and TGA analysis respectively. The scanning electron microscopic (SEM) studies of NCS/SA/MC film showed that the prepared film has the improved rough surface morphology and fractured structure. The bactericidal action of NCS/SA/MC film determined using Muller Hinton Agar medium on two microbial strains (Escherichia coli and Bacillus subtilis) reveals that the prepared NCS/SA/MC film has the greater potential to kill the microorganisms to a greater extent and hence this NCS/SA/MC film was found to be suggested as the promising material for biomedical applications.

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“…131 The molding temperature has significant effects on the crosslinking density of protein, the intermolecular crosslinking between protein and polysaccharide and thereby on the mechanical properties of the ecomaterials. 132,133 The polysaccharides are normally used as filler in forms of powder, 134,135 whiskers, 88,90,136,137 microfiber, 138 ultrafine spinning fibers, 139 or natural plant fibers. 64,[86][87][88]140,141 The interfacial adhesion between protein and polysaccharide is usually poor due to the weak homogenization efficiency.…”

Section: Thermal Processingmentioning

confidence: 99%

Ecomaterials Based on Food Proteins and Polysaccharides

Song¹,

Zheng²

2014

Polymer Reviews

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The continuously increased use of non-biodegradable synthetic polymeric packaging films and plastics has led to serious ecological impacts to human everyday life. A combination of proteins from food resources and polysaccharides from plant resources allows produce ecomaterials including edible films and biodegradable materials, which provides a possible replacement of synthetic polymers with specific applications. The aim of this review is to offer a comprehensive view of the state of the art on ecomaterials based on polysaccharides and food proteins, emphasizing the relationship between composition, processing, structure and properties of the ecomaterials.

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Physicochemical properties of soy protein isolate/carboxymethyl cellulose blend films crosslinked by Maillard reactions: Color, transparency and heat-sealing ability

Cited by 66 publications

References 26 publications

How the chemical nature of Brazilian hardwoods affects nanofibrillation of cellulose fibers and film optical quality

How the chemical nature of Brazilian hardwoods affects nanofibrillation of cellulose fibers and film optical quality

Synthesis, Characterization and Applications of Nanochitosan/Sodium Alginate/Microcrystalline Cellulose Film

Ecomaterials Based on Food Proteins and Polysaccharides

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