1992
DOI: 10.1111/j.1365-2621.1992.tb05453.x
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Edible Wheat Gluten Films: Influence of the Main Process Variables on Film Properties using Response Surface Methodology

Abstract: An edible wheat gluten film was developed and effects of gluten concentration, ethanol concentration (ET) and pH of the film-forming solution on various film properties were evaluated using Response Surface Methodology. pH and ethanol concentration had strong interactive effects on film opacity, water solubility and water vapor permeability. A simultaneous variation of ethanol concentration and pH between 32.5% ET, pH 4 and 45% ET, pH 2 resulted in homogeneous and transparent film with relatively low water sol… Show more

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Cited by 840 publications
(554 citation statements)
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“…Para determinação da solubilidade do filme em água utilizou-se um procedimento modificado por Gontard et al, [13] . Aproximadamente 150 mg da amostra foram pesadas e secas em estufa (100 ± 2 °C, 24 h) para obter a massa seca inicial do filme.…”
Section: Solubilidadeunclassified
“…Para determinação da solubilidade do filme em água utilizou-se um procedimento modificado por Gontard et al, [13] . Aproximadamente 150 mg da amostra foram pesadas e secas em estufa (100 ± 2 °C, 24 h) para obter a massa seca inicial do filme.…”
Section: Solubilidadeunclassified
“…17,18 Os filmes foram selados com parafina em células de permeação de alumínio, contendo sílica gel seca (umidade relativa 0%) em seu fundo. As células de permeação foram então acondicionadas em dessecadores (25 °C) com umidade relativa controlada por meio de uma solução de NaCl saturada (UR = 75%).…”
Section: Taxa De Permeabilidade Ao Vapor De áGuaunclassified
“…The opacity of the films was determined according to the procedure of Gontard et al (1992) (TANG et al, 2008;CHIVRAC et al, 2010;CHUNG et al, 2010). In the present study, a simple MMT dispersion procedure followed by starch gelatinization in water at 80 ºC, was used.…”
Section: Film Opacitymentioning
confidence: 99%