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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

Edible coatings from native and modified starches retain carotenoids in pumpkin during drying  [2013]

Lago-Vanzela, E.S.; do Nascimento, P.; Fontes, E.A.F.; Mauro, M.A.; et al.

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The goal of this study was to evaluate the effect of edible coating pre-treatments on the retention of provitamin A during pumpkin drying. The coatings used were based on native and modified maize and cassava starch. To evaluate the effects of these coatings, slices of ‘Dry Rajada’ pumpkin were dried at 70 °C both with and without starch coatings applied at 30 and 80–90 °C. Carotenoid content was determined through HPLC using a C₃₀ column. Significant losses (12–15%) of trans-α-carotene and trans-β-carotene were observed when slices were dried without the coating. Significant improvement of carotenoid content was observed for dehydrated slices that were previously coated with a native maize starch solution at 90 °C, as well as with a modified maize starch solution at 30 °C and also with a modified cassava starch solution at 90 °C. The application of these starch solutions probably produced a more uniform film that adhered to the slices, minimizing carotenoid degradation during pumpkin drying and, as a consequence, resulting in a product that can be considered a good source of provitamin A.
From the journal
Lebensmittel-Wissenschaft + [i.e. und] Technologie
ISSN : 0023-6438

Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
2015
Volume:
50
Issue:
2
Start Page:
420
End Page:
425
Publisher:
Elsevier Ltd
All titles:
"Edible coatings from native and modified starches retain carotenoids in pumpkin during drying"@eng
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Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
2015
Volume:
50
Issue:
2
Start Page:
420
End Page:
425
Publisher:
Elsevier Ltd
All titles:
"Edible coatings from native and modified starches retain carotenoids in pumpkin during drying"@eng