Journal ArticleDOI
Zein: A history of processing and use
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TLDR
In this article, a review of the early literature on zein is presented, which reexamines the old literature and reconciles it with new zein research to illustrate some of the unique properties of and opportunities for zein.Abstract:
Corn is the largest and most important agricultural commodity in America. Zein, one of the components in corn, has long been investigated for uses other than food and feed. Zein is a unique and complex material, and it is one of the few cereal proteins extracted in a relatively pure form. Today, because of environmental concerns, interest in zein utilization is again growing. Some of the more important research on zein is more than 50 years old. Most of this work has been either forgotten, lost, or difficult to locate. Much of this work was done at the USDA laboratory in Peoria, IL. Since most early zein literature is still easily accessible at that laboratory, this review on zein has been prepared making use of this old literature. This review reexamines the old literature and reconciles it with new zein research to illustrate some of the unique properties of and opportunities for zein.read more
Citations
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References
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Journal ArticleDOI
Gas and water vapor barrier properties of edible films from protein and cellulosic materials
Hyun Jin Park,Manjeet S. Chinnan +1 more
TL;DR: In this paper, the authors tested the gas permeability of proteins and cellulose films made from corn-zein and wheat gluten, and found that hydrogenated cellulose (HPC) films increased gas permeabilities as the concentration of plasticizer increased.
Journal ArticleDOI
Composition factors affecting the water vapor permeability and tensile properties of hydrophilic zein films
Nicholas Parris,David R. Coffin +1 more
TL;DR: Transparent unplasticized zein films were prepared in aqueous ethanol or acetone as mentioned in this paper, showing that films prepared in acetone were stronger but less flexible than those prepared in ethanol.
Journal Article
Efficient procedure for extracting maize and sorghum kernel proteins reveals higher prolamin contents than the conventional method.
TL;DR: In this article, a new method to separate maize proteins into zein (prolamin) and nonzein classes was used to quantitatively measure the prolamins (zein and kafirin), and nonprolamins in five maize and sorghum genotypes.
Journal ArticleDOI
Dehydration of Ethanol: New Approach Gives Positive Energy Balance
Michael R. Ladisch,Karen Dyck +1 more
TL;DR: Water was removed from aqueous ethanol by using cellulosic materials, starch, corn, and other agents to reduce the combustion energy of the ethanol product.
Journal ArticleDOI
Properties and Microstructure of Plasticized Zein Films
Huey Min Lai,Graciela Wild Padua +1 more
TL;DR: In this article, a method for preparation of zein films involving plasticization of vein with oleic acid to form an intermediate moldable resins was presented, where the resin was stretched over rigid frames to form thin membranes that were set in flexible films.