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Film extrusion of Crambe abyssinica/wheat gluten blends
SIG Combibloc, .
RISE, Innventia.
RISE, Innventia.
SLU - Swedish University of Agricultural Sciences, Sweden.
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2017 (English)In: Journal of Visualized Experiments, ISSN 1940-087X, E-ISSN 1940-087X, Journal of Visualized Experiments, Vol. 2017, no 119, e54770Article in journal (Refereed) Published
Abstract [en]

Crambe abyssinica is a plant with potential for use in industrial (non-food) plant oil production. The side stream from this oil production is a high-protein crambe meal that has limited value, as it is not fit for food or feed use. However, it contains proteins that could potentially make it a suitable raw material for higher-value products. The purpose of this study was to find methods of making this side stream into extruded films, showing that products with a higher value can be produced. The study mainly considered the development of material compositions and methods of preparing and extruding the material. Wheat gluten was added as a supportive protein matrix material, together with glycerol as a plasticizer and urea as a denaturant. The extrudate was evaluated with respect to mechanical (tensile testing) and oxygen barrier properties, and the extrudate structure was revealed visually and by scanning electron microscopy. A denser, more homogeneous material had a lower oxygen transmission rate, higher strength, and higher extensibility. The most homogeneous films were made at an extruder die temperature of 125-130 °C. It is shown here that a film can be extruded with promising mechanical and oxygen barrier properties, the latter especially after a final compression molding step.

Place, publisher, year, edition, pages
2017. Vol. 2017, no 119, e54770
Keyword [en]
Barrier, Bioengineering, Crambe meal, Extrusion, Gluten, Packaging, Side stream
National Category
Paper, Pulp and Fiber Technology
Identifiers
URN: urn:nbn:se:ri:diva-28192DOI: 10.3791/54770Scopus ID: 2-s2.0-85011604964OAI: oai:DiVA.org:ri-28192DiVA: diva2:1074875
Available from: 2017-02-16 Created: 2017-02-16 Last updated: 2017-09-27Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
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  • sv-SE
  • Other locale
More languages
Output format
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