Effect of the addition order and amylose content on mechanical, barrier and structural properties of films made with starch and montmorillonite

Romero-Bastida, Claudia A.; Bello‐Pérez, Luis A.; Velázquez, Gonzalo; Álvarez‐Ramírez, José

doi:10.1016/j.carbpol.2015.03.074

Cited by 73 publications

(63 citation statements)

References 30 publications

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“…Given the very broad endotherm obtained in the temperature range 65–115 °C for high‐amylose corn starch, Al suspensions at different concentrations were gelatinized at 125 °C for 80 min in an autoclave to form a homogeneous dispersion. Ns and Ap were heated at 95 °C for 30 min in order to completely melt starch granules according to the published methodology . Aliquots (10 mL) of 12.5% (w/v) gelatin solution were mixed with 30% (w/w, gelatin basis) glycerol, then 15 mL aliquots of starch solutions were added to reach a series of final starch concentrations of 0, 10, 20, 30, 40 and 50% (w/w, gelatin basis) respectively.…”

Section: Methodsmentioning

confidence: 99%

“…Many studies have been concentrated on high‐amylose starches because of their good film‐forming properties and other multiple applications. Amylose is reported to be an excellent film‐forming material, with linear chains and a network stabilized by hydrogen bonds . In contrast, the polymeric chains of amylopectin, because of their branching and shorter length, can be highly tangled together, leading to the formation of inter‐chain hydrogen bonds .…”

Section: Introductionmentioning

confidence: 99%

“…A higher concentration of amylose caused faster starch retrogradation, generating B‐type crystallites and gel hardness . It was demonstrated that films prepared from high‐amylose corn starch displayed better oxygen barrier properties, lower water vapor permeability, lower retrogradation temperature and more stable mechanical properties at high relative humidity compared with films obtained from normal starch owing to the former's strong gelation properties and helical linear polymer structure . Meanwhile, starch could improve self‐filming and related properties in other biopolymers, including gelatin, carboxymethyl cellulose and amaranth protein …”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Mechanical and barrier properties of maize starch–gelatin composite films: effects of amylose content

Wang

Ran³

et al. 2017

J Sci Food Agric

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Mechanical and barrier properties of maize starch–gelatin composite films: effects of amylose content

Wang

Ran³

et al. 2017

J Sci Food Agric

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“…The endothermic behaviors of films were characterized using a DSC‐60plus (Shimadzu, Japan). Before measurement, about 3 mg sample of each film conditioned at 25 °C and 0% RH for 2 weeks in a desiccator were weighed in aluminum pans and analyzed between 25 and 150 °C, using a heating rate of 10 °C min −1 and atmospheric air as the material‐reference (Romero‐Bastida, Bello‐P Rez, Velazquez, & Alvarez‐Ramirez, ).…”

Section: Methodsmentioning

confidence: 99%

Effect of photochemical UV/riboflavin‐mediated cross‐links on different properties of fish gelatin films

Wang

et al. 2017

J Food Process Engineering

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The use of riboflavin as photosensitizer in the UV irradiation induced cross‐linking process was studied to improve the properties of fish gelatin (FG) films. In the UV irradiation, the fluorescence spectroscopy results showed that cross‐linking occurred in the film at a riboflavin charge of 0.1% or higher and the viscosity of the FG solution increased as the riboflavin charge increased. The water contact angel of the fish gelatin film with the riboflavin mediated UV irradiation (RmUV) was significantly improved compared with the control FG films at 60 s. Moreover, compared with control FG films, water vapor absorption and water solubility of the RmUV radiated FG films both decreased. The tensile strength and Young's modulus of the RmUV radiated FG films were significantly higher than those of the control FG films whatever in dry or wet state. Based on the above results, the UV/riboflavin irradiation is a potential effective process to improve the performance of FG films. Practical applications In the past decades, the extensive use of plastic packaging has led to increased concerns on plastic waste generated in daily life due to its nonbiodegradable and nonrenewable nature. For that reason, a variety of bio‐based materials including fish gelatin have been developed as environmentally friendly alternatives. The aim of this paper is to explore the potential application of the fish gelatin film with the riboflavin mediated UV irradiation (RmUV) in mainly food‐contacted packing material field. The use of riboflavin as photosensitizer in the UV irradiation induced cross‐linking in fish gelatin (FG) films, which subsequently improved the water resistance and strength properties of FG films. The findings in this study may serve as a platform to improve fish gelatin film performance and potentially extend applications of edible fish gelatin films in food industry.

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“…Therefore, it becomes organophilized by the ion exchange of inorganic sodium cations by organic cationic surfactants. It has an extensive carbonic chain responsible for increasing the basal distance of the silicate layers, according to [3], [6] and [12], this increase promotes to the thermoplastic biopolymer matrix space for its interlacing that disperses the clay evenly throughout its structure due to compatibility with the functional group of the organic surfactant, thus resulting in a ductile nanocomposite and consequently with the mechanical property of the original biofilm improved. Indeed, in terms of the interaction between two factors, AC interaction also contributed significantly to increased response.…”

Section: Factorial Analysismentioning

confidence: 99%

Statistical analysis of the factors that influenced the mechanical properties improvement of cassava starch films

Monteiro

Silva

Santos

et al. 2017

J. Phys.: Conf. Ser.

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Abstract. In order to obtain cassava starch films with improved mechanical properties in relation to the synthetic polymer in the packaging production, a complete factorial design 2³ was carried out in order to investigate which factor significantly influences the tensile strength of the biofilm. The factors to be investigated were cassava starch, glycerol and modified clay contents. Modified bentonite clay was used as a filling material of the biofilm. Glycerol was the plasticizer used to thermoplastify cassava starch. The factorial analysis suggested a regression model capable of predicting the optimal mechanical property of the cassava starch film from the maximization of the tensile strength. The reliability of the regression model was tested by the correlation established with the experimental data through the following statistical analyse: Pareto graph. The modified clay was the factor of greater statistical significance on the observed response variable, being the factor that contributed most to the improvement of the mechanical property of the starch film. The factorial experiments showed that the interaction of glycerol with both modified clay and cassava starch was significant for the reduction of biofilm ductility. Modified clay and cassava starch contributed to the maximization of biofilm ductility, while glycerol contributed to the minimization.

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Effect of the addition order and amylose content on mechanical, barrier and structural properties of films made with starch and montmorillonite

Cited by 73 publications

References 30 publications

Mechanical and barrier properties of maize starch–gelatin composite films: effects of amylose content

Mechanical and barrier properties of maize starch–gelatin composite films: effects of amylose content

Effect of photochemical UV/riboflavin‐mediated cross‐links on different properties of fish gelatin films

Statistical analysis of the factors that influenced the mechanical properties improvement of cassava starch films

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