Effect of Ethanol Concentrations in Pre-treatment on Zein Film

doi:10.7506/spkx1002-6630-200919021

FOOD SCIENCE ›› 2009, Vol. 30 ›› Issue (19 ): 100-103.doi: 10.7506/spkx1002-6630-200919021

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Effect of Ethanol Concentrations in Pre-treatment on Zein Film

CHEN Ye，DU Yue，WANG Guan-yu

Tianjin Key Laboratory of Food Nutrition and Safety, College of Food Engineering and Biotechnology, Tianjin University of Science
and Technology, Tianjin 300457, China

Received:2009-02-01 Online:2009-10-01 Published:2010-12-29
Contact: CHEN Ye， E-mail:chenye@tust.edu.cn

Abstract

Abstract:

In this study, the effects of ethanol concentration in pre-treatment on tensile strength, elongation, water vapor permeability and water absorption index of zein films were investigated. Results showed that the extruded zein film with pretreatment using 90% ethanol exhibited better mechanical and water-resistant properties. In addition, uniformed surface morphology in this zein film was observed through scanning electron microscopy (SEM). Moreover, good thermal stability below 150 ℃ was also revealed in this zein film through thermal gravimetric analysis (TGA).

Key words: zein, pre-treatment, extrusion, SEM, TGA

CLC Number:

TQ321.4

CHEN Ye，DU Yue，WANG Guan-yu. Effect of Ethanol Concentrations in Pre-treatment on Zein Film[J]. FOOD SCIENCE, 2009, 30(19 ): 100-103 https://doi.org/10.7506/spkx1002-6630-200919021

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Effect of Ethanol Concentrations in Pre-treatment on Zein Film

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