Chemical Reactions in Cottonseed Protein Cross-Linking by Formaldehyde, Glutaraldehyde, and Glyoxal for the Formation of Protein Films with Enhanced Mechanical Properties

Marquié, Catherine

doi:10.1021/jf0101152

Cited by 155 publications

(112 citation statements)

References 19 publications

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“…Glutaraldehyde is more specific than formaldehyde; it can react with lysine, cysteine, histidine and tyrosine (Tae, 1983). Protein cross-linking by glyoxal involves lysine and arginine side chain groups (Marquie, 2001) at alkaline pH.…”

Section: Modification Of Protein-based Edible Films By Chemical Treatmentioning

confidence: 99%

Protein-Based Edible Films: Characteristics and Improvement of Properties

Wittaya¹

2012

Structure and Function of Food Engineering

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Section: Modification Of Protein-based Edible Films By Chemical Treatmentioning

confidence: 99%

Protein-Based Edible Films: Characteristics and Improvement of Properties

Wittaya¹

2012

Structure and Function of Food Engineering

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“…Reticulantes, como o formaldeído, têm sido largamente utilizados para induzir modificações em proteínas e polissacarídeos. Exemplos incluem a reticulação da quitosana via formação de N-metileno-quitosana 17 ; reticulação da blenda alginato de sódio e hidroxietilcelulose com glutaraldeído em meio ácido seguido de um segundo processo de reticulação com uréia-formaldeído e ácido sulfúrico 18,19 ; reticulação por formaldeído e epicloridrina de açúcares obtidos da polpa de beterraba 20 ; formação de pontes estáveis de metileno em modelos de peptídeos 21 ; reticulação de colágeno 22 e proteína de semente de algodão 23,24 ; efeito sobre as propriedades mecânicas, permeabilidade ao vapor de água e solubilidade de glúten 25 , gliadina 26,27 , proteína de amendoim 28 , filmes de proteína isolada de soja 29,30 e, ainda, modificações em filmes de gelatina 31 . Neste estudo, os efeitos da adição de sorbitol como plastificante e do processo de reticulação com formaldeído, nas propriedades de filmes de alginato de sódio e alginato de sódio/sorbitol, foram investigados.…”

Section: Introducãounclassified

Influência da adição de plastificante do processo de reticulação na morfologia, absorção de aguá e propriedades mecânicas de filmes de alginato de sódio

Lima¹,

Andreani²,

Soldi³

2007

Quím. Nova

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on the morphology, water absorption and mechanical properties of sodium alginate films were analyzed. The morphology of the films indicated the presence of small aggregates in the surface of uncrosslinked films, which disappeared with the crosslinking process. The water uptake and percentage of elongation increased with the addition of sorbitol in uncrosslinked films. At the same time, a decrease in tensile strength and Young's modulus occurred. The swelling ratio and water uptake of crosslinked alginate/sorbitol films decreased with an increase in sorbitol content suggesting an enhanced crosslinking density due to the presence of plasticizer.

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“…g-irradiation was found to be an effective method to crosslink proteins and to improve both barrier and mechanical properties of protein-based edible films [32,35,47]. Furthermore, many chemical crosslinkers -such as formaldehyde, glutaraldehyde, glyoxal and genipin -were tested to improve film properties [23,43,51,25,57] but, due to their toxicity, the addition of these molecules is not advisable. Conversely, a great interest was devoted to investigate the possibility to introduce crosslinks into the film network "enzymatically" and, thus, both peroxidase and tyrosinase have been utilized but with not enough encouraging results [11,12,55].…”

mentioning

confidence: 99%

Promising Perspectives for Transglutaminase In “Bioplastics” Production

Porta¹,

Pierro²,

Sorrentino³

et al. 2011

J Biotechnol Biomaterial

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When Heinrich B. Waelsch [53,13], Laszlo Lorand [33] and John E. Folk [20]-the latter who passed away on Dec 27th 2010 and to whom we wish to dedicate the present Editorial -began to investigate at the middle of the past century on the calcium dependent transamidating activities contained in the guinea pig liver and blood, no one could imagine that transglutaminase (TG, EC 2.3.2.13) would become at the beginning of the new millennium one of the most interesting biocatalyst for industrial applications in several different fields. An accurate historical overview of the first 50 years of TG research was recently reported by Beninati et al. [3] in occasion of the "IX Conference on Transglutaminase and Protein Crosslinking" held in Marrakesh in the early days of September 2007.The complete name of the enzyme, R-glutaminyl-peptide:amineg-glutamyltransferase, indicates that the catalysis consists of the acyl transfer of g-glutamyl residues, present in protein or peptide substrates (acyl donor), to an acyl acceptor substrate, resulting in a variety of different products depending on the involved molecules [21]. The transamidation reaction occurs when the acyl acceptor is either the ε-amino group of an endoprotein lysine residue or a low molecular mass primary amine, generating ε-(g-glutamyl)lysine crosslinked linear or branched homo-and heteropolymers, in the first case, or protein-amino derivatives in the latter. The wide range of interest on TG biological role is mostly related to the existence of multiple molecular forms of the enzyme which are present in different organisms, such as bacteria, plants, Although TG was mostly studied for the ability to post-translationally remodel many different proteins in vivo, its reaction has attracted the attention of many scientists in the last twenty years as an effective way to manipulate the structure of proteins of different origin outside the living cells. Therefore, applied investigations with the different enzyme isoforms have been carried out in different fields, from biomedicine and cosmetics to food, leather, and textile industry [41]. As far as the human health applications, concentrated Factor XIII, a zymogenic form of the enzyme, is used as therapeutic agent to correct blood coagulation in a rare genetic condition due to its deficiency and to reduce bleeding risks [36]. Factor XIII was the first TG isoform used to modify protein and peptide substrates in vitro [45]. In addition, the so-called "tissue" TG (type 2) is an effective biomedical technological tool exploited for the diagnosis of an autoimmune pathology like the celiac disease [15,19]. Also this isoform was extensively tested to modify both structure and biological properties of several polypeptides in vitro [41]. However, both Factor XIII and type 2 TG are not really attractive for industrial uses, since their production is expensive and they cannot be easily manipulated outside of their natural environment. Moreover, further molecular forms of the enzyme extracted from plant or animal tissues were never s...

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Chemical Reactions in Cottonseed Protein Cross-Linking by Formaldehyde, Glutaraldehyde, and Glyoxal for the Formation of Protein Films with Enhanced Mechanical Properties

Cited by 155 publications

References 19 publications

Protein-Based Edible Films: Characteristics and Improvement of Properties

Protein-Based Edible Films: Characteristics and Improvement of Properties

Influência da adição de plastificante do processo de reticulação na morfologia, absorção de aguá e propriedades mecânicas de filmes de alginato de sódio

Promising Perspectives for Transglutaminase In “Bioplastics” Production

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