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Title: Physico-chemical changes during different stages of MFD/FD banana chips
Authors: Jiang, H.
Zhang, M.
Mujumdar, A.S. 
Keywords: Banana
Drying stage
Issue Date: Nov-2010
Source: Jiang, H.,Zhang, M.,Mujumdar, A.S. (2010-11). Physico-chemical changes during different stages of MFD/FD banana chips. Journal of Food Engineering 101 (2) : 140-145. ScholarBank@NUS Repository.
Abstract: Microwave freeze drying (MFD) normally contains three stages, i.e., pre-freeze stage, primary drying stage and secondary drying stage, just as in conventional freeze drying. This research examines the variations of structure, starch content, reducing sugar content, color change as well as expansion ratio during these stages of microwave freeze drying banana chips. Results show that biggest changes are found at the primary drying stage in the banana slices' starch content, reduced sugar content, their structure and their changed colors while the biggest change of expansion ratio occurs at the secondary drying stage. Similar results can also be obtained for FD samples. Thus it is concluded that the primary stage can do most damage to the banana chips. © 2010 Elsevier Ltd. All rights reserved.
Source Title: Journal of Food Engineering
ISSN: 02608774
DOI: 10.1016/j.jfoodeng.2010.06.002
Appears in Collections:Staff Publications

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