Influence of reducing agents on properties of thermo-molded wheat gluten bioplastics

被引：15

作者：

Min, Zuo ^{[1
,2
]}

Song, Yihu ^{[1
,2
]}

Zheng, Qiang ^{[1
,2
]}

机构：

[1] Zhejiang Univ, Dept Polymer Sci & Engn, Hangzhou 310027, Peoples R China

[2] Zhejiang Univ, Minist Educ, Key Lab Macromol Synth & Functionalizat, Hangzhou 310027, Peoples R China

来源：

JOURNAL OF CEREAL SCIENCE | 2008年 / 48卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Wheat gluten; Bioplastic; Reducing agent; Properties;

D O I：

10.1016/j.jcs.2008.06.003

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

The present work aims to study the influence of reducing agents of sodium bisulfite, sodium sulfite and thioglycolic acid on the equibiaxial extensional deformation of glycerol plasticized wheat gluten and the properties of gluten bioplastics thermo-molded at 125 degrees C. Moisture absorption, weight loss and water uptake, uniaxial tensile properties (Young's modulus, tensile strength, elongation at break and tensile set), and morphology observations were performed to characterize the physical properties of the thermo-molded gluten bioplastics. The results showed that reducing agents facilitated the viscous flow and restrained the elastic recovery of the plasticized gluten while not hindering the crosslinking reaction of gluten proteins during thermo-molding. On the contrary, reducing agents do not significantly influence moisture absorption, Young's modulus, tensile strength and the morphology of the gluten bioplastics thermo-molded at 125 degrees C. It is shown that reducing agents are highly effective for tailoring the flow viscosity of the plasticized gluten dough and the mechanical properties of thermo-molded gluten bioplastics. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：794 / 799

页数：6

共 51 条

[1] Effect of sodium sulfite, sodium bisulfite, cysteine, and pH on protein solubility and sodium dodecyl sulfate-polyacrylamide gel electrophoresis of soybean milk base [J].

Abtahi, S ;

Aminlari, M .

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 1997, 45 (12) :4768-4772

[2] Properties of thermally-treated wheat gluten films [J].

Ali, Y ;

Ghorpade, VM ;

Hanna, MA .

INDUSTRIAL CROPS AND PRODUCTS, 1997, 6 (02) :177-184

[3] Effect of chemical modification, pH change, and freezing on the rheological, solubility, and electrophoretic pattern of wheat flour proteins [J].

Aminlari, M ;

Majoobi, M .

JOURNAL OF FOOD SCIENCE, 2002, 67 (07) :2502-2506

[4]

BERLAND S, 1995, CEREAL CHEM, V72, P48

[5]

BLOKSMA AH, 1972, CEREAL CHEM, V49, P104

[6] Effect of friction on uniaxial compression of bread dough [J].

Charalambides, MN ;

Goh, SM ;

Wanigasooriya, L ;

Williams, JG ;

Xiao, W .

JOURNAL OF MATERIALS SCIENCE, 2005, 40 (13) :3375-3381

[7] Study of the temperature effect on the formation of wheat gluten network: Influence on mechanical properties and protein solubility [J].

Cuq, B ;

Boutrot, F ;

Redl, A ;

Lullien-Pellerin, V .

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 2000, 48 (07) :2954-2959

[8] Swelling Behavior and structural characteristics of wheat gluten polypeptide films [J].

Domenek, S ;

Brendel, L ;

Morel, MH ;

Guilbert, S .

BIOMACROMOLECULES, 2004, 5 (03) :1002-1008

[9] Polymerization kinetics of wheat gluten upon thermosetting. A mechanistic model [J].

Domenek, S ;

Morel, MH ;

Bonicel, J ;

Guilbert, S .

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 2002, 50 (21) :5947-5954

[10] Biodegradability of wheat gluten based bioplastics [J].

Domenek, S ;

Feuilloley, P ;

Gratraud, J ;

Morel, MH ;

Guilbert, S .

CHEMOSPHERE, 2004, 54 (04) :551-559

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