Effect of Plasticizers on Mechanical and Barrier Properties of Rice Starch Film

Laohakunjit, Natta; Noomhorm, Athapol

doi:10.1002/star.200300249

Cited by 297 publications

(203 citation statements)

References 19 publications

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“…The chart showed that all the variable factors did have some influence on the WVTR (Figure 3), but the effect was more pronounced with chitosan. Earlier, researchers have observed that an increase in plasticizer concentration had increased the WVTR in rice starch films and chitosan films [33,34]. On contrary, Kowalczyk and Baraniak [35] found that an increase in sorbitol concentrations did not affect the WVTR of pea protein isolate films, in support to our findings.…”

Section: Barrier Propertiessupporting

confidence: 90%

Mechanical and Barrier Properties of Multi-Composite Shark Catfish (Pangasius fungaseous) Skin Gelatin Films with the Addition of Sorbitol, Clay and Chitosan Using Response Surface Methodology

Elango¹,

Robinson²,

Arumugam³

et al. 2015

J Mol Genet Med

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The effects of four variable factors such as protein, sorbitol, montmorillonite (MMT) and chitosan on the properties of multi-composite shark catfish skin gelatin films were evaluated based on Response Surface Methodology (RSM). Incorporation of chitosan had positive effect on tensile strength, Young's Modulus and water vapor transmission rate (p<0.05). On the other hand, chitosan and MMT had decreased the elongation of the films (p<0.05). The transparency of the gelatin film was increased by the addition of gelatin and chitosan, whereas it was decreased by the addition of MMT. From the present study, it may concluded that gelatin films with good mechanical and barrier properties could be achieved with 4.50% gelatin, 25% sorbitol, 0.37% MMT and 3.25% chitosan. Thus, multicomposite gelatin films with any desirable properties could be formulated based on the results of the response surface methodology and these films shall be suitable for edible films or coatings for fish and other food products in food processing industries.

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Section: Barrier Propertiessupporting

confidence: 90%

Mechanical and Barrier Properties of Multi-Composite Shark Catfish (Pangasius fungaseous) Skin Gelatin Films with the Addition of Sorbitol, Clay and Chitosan Using Response Surface Methodology

Elango¹,

Robinson²,

Arumugam³

et al. 2015

J Mol Genet Med

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“…This phenomenon occurs because the plasticizing concentration exceeds the compatibility in the polymer which causes separation of the phases and physical exclusion of the reactant as also observed by Laohakunjit and Noomhorm in previous work. 16 In SEM micrographs (Figure 2), differences in film microstructures can be observed. Starch granules on their surface were noticed in most of the films which did not pass the consistency criterion portrayed (micrographies b and f).…”

Section: Resultsmentioning

confidence: 99%

Electrically conductive bioplastics from cassava starch

Arrieta¹,

Gañán²,

Márquez³

et al. 2011

J. Braz. Chem. Soc.

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No presente trabalho, biofilmes condutores foram sintetizados através de soluções de 100 mL de água com 3 g de amido de mandioca (Manihot esculenta Crantz) e quantidades diferentes de glicerina, glutaraldeído, polietilenoglicol e perclorato de lítio. Estes filmes foram caracterizados por espectroscopia de impedância eletroquímica (EIS), microscopia eletrônica de varredura (SEM), espectrometria de reflexão total atenuada no infravermelho com transforma de Fourier (ATR-FTIR), termogravimetria (TG). Os resultados mostraram que os biofilmes com quantidades mais elevadas de perclorato de lítio possuem valores maiores de condutividade e as diferenças morfológica e molecular foram observadas como sendo um resultado das proporções adicionadas dos compostos em cada uma das rotas de preparação.In the current work, conductor biofilms were synthesized by means of solutions of 100 mL of water with 3 g of starch from cassava (Manihot esculenta Crantz) and different amounts of glycerin, glutaraldehyde, polyethyleneglycol and lithium perchlorate. These biofilms were characterized through electrochemical impedance spectroscopy (EIS), scanning electronic microscopy (SEM), attenuated total reflectance Fourier transform infrared spectroscopy (ATR-FTIR) and thermogravimetry (TG). Results showed that biofilms with higher amount of lithium perchlorate portray higher values of conductivity and morphological and molecular differences could be observed as a result of the added proportions of the compounds in each one of the trials.

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“…Parameter yang diamati adalah ketebalan, metode Microcal Messmer (ASTM, 1997), persen pemanjangan (ASTM, 1997), laju transmisi uap air, metode cawan (ASTM, 1997), kelarutan edible film dalam air (Laohakunjit dan Noomhorm, 2004), dan uji aktivitas antimikrobia metode sumuran (Pambayun, 2008).…”

Section: Rancangan Penelitianunclassified

Perbaikan Sifat Fisik, Kimia, dan Antibakteri Edible Film Berbasis Pati Ganyong (Improvement of Physical, Chemical and Antibacterial Characteristics of Edible Film Based on Canna edulis. Kerr Starch)

et al. 2017

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ABSTRAKTujuan penelitian ini adalah adalah untuk memperbaiki sifat fisik, kimia, dan antibakteri edible film berbasis pati ganyong dengan memanfaatkan ekstrak protein belut sawah, gambir, dan jeruk kunci. Rancangan penelitian yang digunakan adalah rancangan acak lengkap faktorial dengan tiga kali ulangan. Perlakuan penelitian terdiri atas konsentrasi ekstrak protein belut (0, 3, dan 6 (%v/v); konsentrasi ekstrak gambir (0, 1,5, dan 3 (%b/v), dan pH (3, 4, 5, dan 6). Hasil Penelitian menunjukkan bahwa ekstrak protein belut berpengaruh nyata terhadap ketebalan dan kelarutan, ekstrak gambir berpengaruh nyata terhadap ketebalan, persentasi pemanjangan, dan kelarutan serta perlakuan interaksi antara ekstrak gambir dan pH berpengaruh nyata terhadap kelarutan edible film. Karakteristik edible film yang dihasilkan memiliki ketebalan berkisar 0,15 hingga 0,28 mm, persen pemanjangan berkisar 37,17 hingga 84,4 %, kelarutan edible film dalam air berkisar 41,00 hingga 69,67 %, laju transmisi uap air edible film berkisar antara 4,09 hingga 11,77 g.m ABSTRACTThe objective of the research was to improve physical, chemical, and antibacterial edible film based on Canna edulis Kerr by using eel'protein, gambir (Uncaria gambir Roxb), and Citrus hystic extract. The research design was completely randomized factorial design with three replications. There were three studies: the addition of eel's protein extract, Uncaria gambir Roxb extract, and pH value at the concentration 0 % (v/v), 3 % (v/v), 6 % (v/v), 0 % (w/v), 1.5 % (w/v), 3 % (w/v), and 3, 4, 5, 6 respectively. The results showed that eel's protein extract concentration significantly effected (at 5 % level test) on thickness and solubility, the Uncaria gambir Roxb extract concentration significantly affected the thickness, percentage of elongation and solubility and interaction between Uncaria gambir Roxb extract and pH value significantly affect the solubility. Charaterictics of the edible film was as follows: thickness 0.15 to 0.28 mm, percentage of elongation 37.17 to 84.4 %, solubility 4,00 to 69.57 %, water vapor transmission rate 4.09 to 11.77 g.m -2 .d -1 , and inhibition zone for microbe 0.44 to 2.79 mm.

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Effect of Plasticizers on Mechanical and Barrier Properties of Rice Starch Film

Cited by 297 publications

References 19 publications

Mechanical and Barrier Properties of Multi-Composite Shark Catfish (Pangasius fungaseous) Skin Gelatin Films with the Addition of Sorbitol, Clay and Chitosan Using Response Surface Methodology

Mechanical and Barrier Properties of Multi-Composite Shark Catfish (Pangasius fungaseous) Skin Gelatin Films with the Addition of Sorbitol, Clay and Chitosan Using Response Surface Methodology

Electrically conductive bioplastics from cassava starch

Perbaikan Sifat Fisik, Kimia, dan Antibakteri Edible Film Berbasis Pati Ganyong (Improvement of Physical, Chemical and Antibacterial Characteristics of Edible Film Based on Canna edulis. Kerr Starch)

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