NDLI: Film Extrusion of Sunflower Protein Isolate

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Film Extrusion of Sunflower Protein Isolate

Content Provider	Semantic Scholar
Author	Rouilly, Antoine Mériaux, Alexandra Geneau, Céline Silvestre, Françoise Rigal, Luc
Copyright Year	2006
Abstract	Film extrusion of sunflower protein isolate (SFPI) was studied. The influence of die temperature (85–160°C), water and glycerol contents were investigated through appearance, mechanical and thermomechanical properties, and swelling behavior in water of films. It was demonstrated that highest temperature, well above SFPI denaturation temperature in the compound, highest glycerol content (70 parts for 100 parts of SFPI), and medium water content (20 parts for 100 parts of SFPI) gave the most regular and smoothest film (as seen on SEM micrographs). Its ultimate tensile strength, Young’s modulus, and strain at break were, respectively, 3.2 MPa, 17.7 MPa, and 73%. Soaked in water, its swelling was about 186% w/w but the film was quiet insoluble. Effect of temperature and plasticizer content were discussed in relation to the kinetic of SFPI denaturation. These first results are very promising for the development of biodegradable protein-based films. POLYM. ENG. SCI., 46:1635–1640, 2006. © 2006 Society of Plastics Engineers
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://oatao.univ-toulouse.fr/4605/1/Rouilly_4605.pdf
Language	English
Access Restriction	Open
Subject Keyword	3-Mercaptopropionic Acid 3D film Direct memory access Edema Electronystagmography Engineering Glycerin Kinetics Linear programming relaxation Modulus robot Plasticizers Plastics Polypeptides Ravens colored progressive matrices Sion's minimax theorem Smoothing contents - HtmlLinkType tensile strength
Content Type	Text
Resource Type	Article

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