Characterization of extruded plant protein and petroleum-based packaging sheets

E. Obuz; T. J. Herald; K. Rausch

doi:10.1094/CCHEM.2001.78.1.97

Characterization of extruded plant protein and petroleum-based packaging sheets

E. Obuz, T. J. Herald, K. Rausch

Research output: Contribution to journal › Article › peer-review

Abstract

Extruded packaging sheets (EPS) were manufactured from wheat gluten (WG) or sorghum flour (SF) in combination with (10, 25, 50, 75, and 100%) low density polyethylene (LDPE) or metallocene-catalyzed ethylenebutene copolymer (MCEBC), and plasticized successfully with sorbitol at a weight ratio of 1:1. Physical analyses were used to characterize the extruded packaging materials. Tensile strengths and elongations of the sheets significantly decreased as the WG or SF increased. Sheets formulated with ≅1:1:2 wheat gluten, sorbitol, and MCEBC exhibited similar elastic properties compared with a 100% MCEBC sheet. Young's modulus and percent elongation at break values decreased as WG-sorbitol or SF-sorbitol level increased in the EPS.

Original language	English (US)
Pages (from-to)	97-100
Number of pages	4
Journal	Cereal Chemistry
Volume	78
Issue number	1
DOIs	https://doi.org/10.1094/CCHEM.2001.78.1.97
State	Published - 2001
Externally published	Yes

ASJC Scopus subject areas

Food Science
Organic Chemistry

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10.1094/CCHEM.2001.78.1.97

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abstract = "Extruded packaging sheets (EPS) were manufactured from wheat gluten (WG) or sorghum flour (SF) in combination with (10, 25, 50, 75, and 100%) low density polyethylene (LDPE) or metallocene-catalyzed ethylenebutene copolymer (MCEBC), and plasticized successfully with sorbitol at a weight ratio of 1:1. Physical analyses were used to characterize the extruded packaging materials. Tensile strengths and elongations of the sheets significantly decreased as the WG or SF increased. Sheets formulated with ≅1:1:2 wheat gluten, sorbitol, and MCEBC exhibited similar elastic properties compared with a 100% MCEBC sheet. Young's modulus and percent elongation at break values decreased as WG-sorbitol or SF-sorbitol level increased in the EPS.",

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AU - Herald, T. J.

AU - Rausch, K.

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Characterization of extruded plant protein and petroleum-based packaging sheets

Abstract

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