Effect of drying temperature and pH alteration on mechanical and water barrier properties of transglutaminase cross linked zein–oleic acid composite films

LWT ◽  
2016 ◽  
Vol 65 ◽  
pp. 518-531 ◽  
Author(s):  
Kingsley Masamba ◽  
Yue Li ◽  
Joseph Hategekimana ◽  
Jianguo Ma ◽  
Fang Zhong
Keyword(s):  
Oleic Acid ◽  
Composite Films ◽  
Barrier Properties ◽  
Drying Temperature ◽  
Water Barrier

Effect of Type of Plasticizers on Mechanical and Water Barrier Properties of Transglutaminase Cross-Linked Zein–Oleic Acid Composite Films

2016 ◽  
Vol 12 (4) ◽  
pp. 365-376 ◽  
Author(s):  
Kingsley Masamba ◽  
Yue Li ◽  
Joseph Hategekimana ◽  
Fei Liu ◽  
Jianguo Ma ◽  
...  
Keyword(s):  
Electron Microscopy ◽  
Scanning Electron Microscopy ◽  
Oleic Acid ◽  
Ethylene Glycol ◽  
Composite Films ◽  
Barrier Properties ◽  
Irregular Surface ◽  
Vapour Permeability ◽  
Water Barrier ◽  
Scanning Electron

Abstract The effect of using four plasticizers namely ethylene glycol, propylene glycol, glycerol and sorbitol on mechanical and water barrier properties of transglutaminase cross-linked zein–oleic acid composite films was investigated. Results revealed that both mechanical and water barrier properties of the films were significantly affected (p<0.05) by plasticizer type. Tensile strength (TS), water vapour permeability (WVP) and solubility (SB) values were all better in ethylene glycol control plasticized films compared to other plasticizers. Furthermore, irrespective of plasticizer type, transglutaminase treatment improved TS while when oleic acid was incorporated into the films in the range of 1–4% based on zein weight, the mechanical and water barrier properties of the composite film were diversely affected. Results from scanning electron microscopy for the 2% oleic acid-incorporated composite films revealed a rough and irregular surface morphology for the sorbitol plasticized films. Overall, ethylene glycol provided better mechanical and water barrier properties.

Preparation and Properties of Pullulan Composite Films

2012 ◽  
Vol 476-478 ◽  
pp. 2100-2104 ◽  
Author(s):  
Jian Jun Yan ◽  
Zheng Li ◽  
Jian Fei Zhang ◽  
Chang Sheng Qiao
Keyword(s):  
Tensile Strength ◽  
Composite Films ◽  
Weight Ratio ◽  
Water Vapor Permeability ◽  
Barrier Properties ◽  
Vapor Permeability ◽  
Drying Temperature ◽  
Suitable Material ◽  
Water Barrier ◽  
Lower Elongation

In the paper, preparation and properties of pullulan composite films were studied. Several kinds of materials (glass, iron, steel, propene polymer and polyvinyl chloride plates) were chosen for preparing films. The results showed that the steel plate was the most suitable material for preparing film. The tensile strength of pullulan film was significantly reduced when the drying temperature was higher than 50°C. The time of dissolution observably decreased, whereas water vapor permeability increased with increasing drying temperature. Pullulan film has higher tensile strength, better water barrier properties, shorter solubilization time and lower elongation at break than those of hydroxypropylmethylcellulose film, respectively. The composite film (Pullulan and hydroxypropylmethylcellulose) with weight ratio (1/2) has higher tensile strength, better water barrier properties, longer solubilization time than those of other ratios. Difference properties of films could be obtained in different weight ratio (Pullulan and hydroxypropylmethylcellulose).

scholarly journals Effect of Gallic acid on mechanical and water barrier properties of zein-oleic acid composite films

2016 ◽  
Vol 53 (5) ◽  
pp. 2227-2235 ◽  
Author(s):  
Kingsley Masamba ◽  
Yue Li ◽  
Joseph Hategekimana ◽  
Fei Liu ◽  
Jianguo Ma ◽  
...  
Keyword(s):  
Oleic Acid ◽  
Gallic Acid ◽  
Composite Films ◽  
Barrier Properties ◽  
Water Barrier

Evaluation of mechanical and water barrier properties of transglutaminase cross-linked zein films incorporated with oleic acid

2016 ◽  
Vol 51 (5) ◽  
pp. 1159-1167 ◽  
Author(s):  
Kingsley Masamba ◽  
Yue Li ◽  
Joseph Hategekimana ◽  
Muhammad Zehadi ◽  
Jianguo Ma ◽  
...  
Keyword(s):  
Oleic Acid ◽  
Barrier Properties ◽  
Water Barrier

Tensile and water barrier properties of cassava starch composite films reinforced by synthetic zeolite and beidellite

2013 ◽  
Vol 115 (3) ◽  
pp. 339-346 ◽  
Author(s):  
Pierre C. Belibi ◽  
T. Jean Daou ◽  
Jean-Marie B. Ndjaka ◽  
Laure Michelin ◽  
Jocelyne Brendlé ◽  
...  
Keyword(s):  
Composite Films ◽  
Barrier Properties ◽  
Cassava Starch ◽  
Synthetic Zeolite ◽  
Water Barrier

Water Barrier Properties of Zein-Oleic Acid Films

2006 ◽  
Vol 83 (4) ◽  
pp. 331-334 ◽  
Author(s):  
Ying Wang ◽  
Graciela W. Padua
Keyword(s):  
Oleic Acid ◽  
Barrier Properties ◽  
Water Barrier

Mechanical and Water Barrier Properties of Zein–Corn Starch Composite Films as Affected by Gallic Acid Treatment

2016 ◽  
Vol 12 (8) ◽  
pp. 773-781 ◽  
Author(s):  
Kingsley Masamba ◽  
Yue Li ◽  
Hafiz Rizwan Sharif ◽  
Jianguo Ma ◽  
Fang Zhong
Keyword(s):  
Composite Film ◽  
Gallic Acid ◽  
Acid Treatment ◽  
Corn Starch ◽  
Composite Films ◽  
Water Vapor Permeability ◽  
Barrier Properties ◽  
Vapor Permeability ◽  
Water Barrier ◽  
Film Forming

Abstract The effect of gallic acid treatment on mechanical and water barrier properties in zein and zein–corn starch composite films was investigated. Four concentrations of corn starch (5 %, 10 %, 15 %, 20 %) were used in composite films making a final solid concentration of 6 % (w/v) in the film forming solution. One composite film containing 10 % corn starch was also prepared in absence of gallic acid for comparison purpose. Gallic acid treatment improved tensile strength (TS) and water vapor permeability (WVP) while solubility was increased in control zein films. On the other hand, gallic acid treatment significantly (p < 0.05) reduced TS and increased WVP in zein–corn starch composite films. Interestingly, mechanical and water barrier properties of composite films prepared in absence of gallic acid were comparatively better than gallic acid treated composite films. These findings provided useful insights in how each individual hydrocolloid in the composite film was differently affected by gallic acid treatment.

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