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The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. It houses one of the world's largest and most accessible agricultural information collections and serves as the nexus for a national network of state land-grant and U.S. Department of Agriculture field libraries. In fiscal year 2011 (Oct 2010 through Sept 2011) NAL delivered more than 100 million direct customer service transactions.

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Journal Article

Journal Article

Mechanical properties and water vapor transmission in some blends of cassava starch edible films  [2004]

Parra, D.F.; Tadini, C.C.; Ponce, P.; Lugao, A.B.;

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The continuous increase of consumer interest in quality, convenience and food quality has encouraged further research into edible films and coatings from natural polymers, such as polysaccharides. Ecoefficient products are the new generation of biobased products prepared with sustainable materials, that agree with ecological and economic requirements including environmentally acceptable disposal of post-user waste. The numerous potential applications of natural polymers such as polysaccharides stimulated the study with edible films based on cassava starch. Blends of glycerol (GLY) and polyethylene glycol (PEG) as plasticizers, and glutaraldehyde (GLU) as crosslinking agent were prepared in order to determine the mechanical properties and water vapor transmission of those films. A response surface methodology was applied on the results to identify the blend with the best mechanical properties and lowest water vapor transmission. The crosslinking effect of glutaraldehyde in the films can be observed. The plasticizing action of polyethylene glycol was restrained by more than 0.5 g of glutataraldehyde. The use of glycerol was less evident for this property even after 284 h of contact time with water vapor.
From the journal
Carbohydrate polymers
ISSN : 0144-8617

Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
2013
Volume:
58
Issue:
4
Start Page:
475
End Page:
481
All titles:
"Mechanical properties and water vapor transmission in some blends of cassava starch edible films"@eng
Other:
"Includes references"
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Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
2013
Volume:
58
Issue:
4
Start Page:
475
End Page:
481
All titles:
"Mechanical properties and water vapor transmission in some blends of cassava starch edible films"@eng
Other:
"Includes references"