Document Detail


Impact of Infrared Finishing on the Mechanical and Sensorial Properties of Wheat Donuts.
MedLine Citation:
PMID:  22889360     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
  Infrared radiation may be used to simulate an immersion frying heat flux and create products with fried-like textures but lower fat contents. The objective of this study was to determine the process parameters needed to produce partially-fried, infrared-finished donuts comparable to fully-fried (control) donuts. A total of 8 different sets of infrared oven parameters (emitter height and belt speed) were tested. Instrumental analysis showed that all infrared-finished donuts had significantly (P≤ 0.05) lower fat content (25.6% to 30.6%) than the control (33.7%). Setting the infrared emitters in a height gradient from 70 to 50 mm or at a constant height of 60 mm above the belt produced donuts that were most instrumentally similar to the control. Infrared-finished donuts had comparable (P≤ 0.05) overall acceptance scores to the control, 5.28 to 5.85 versus 5.83, respectively. Infrared radiation may be used to finish-fry partially-fried donuts, yielding a product similar to a fully-fried donut but with significantly lower fat content. Practical Applications:  The partial-frying, infrared-finishing process detailed in this article may be used for other deep-fried foods. It is likely that these foods will also have a lower fat content when prepared with this process than when they are deep-fried. This process provides a method of lowering the fat content of fried foods without changing the food formulation.
Authors:
Helen S Melito; Brian E Farkas
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-8-13
Journal Detail:
Title:  Journal of food science     Volume:  -     ISSN:  1750-3841     ISO Abbreviation:  J. Food Sci.     Publication Date:  2012 Aug 
Date Detail:
Created Date:  2012-8-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0014052     Medline TA:  J Food Sci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2012 Institute of Food Technologists®
Affiliation:
Authors are with Dept. of Food, Bioprocessing and Nutrition Sciences, Campus Box 7624 North Carolina State Univ., Raleigh, NC 27695, U.S.A. Direct inquiries to author Helen Melito (E-mail: hsmelito@ncsu.edu).
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