Journal
FOOD CHEMISTRY
Volume 101, Issue 1, Pages 57-64Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2005.12.054
Keywords
extensograph; farinograph; furosine; HMF; Maillard reaction; rheological properties
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Spaghetti was prepared by replacing semolina with different amounts of lupin protein, in order to increase the protein content. A detailed investigation of the rheological properties of the dough and the cooking quality of pasta was performed in comparison to standard semolina spaghetti. Moreover, the effect of the addition of lupin protein on non-enzymatic browning was evaluated by measuring epsilon-furoylmethyllysine (furosine) and 5-hydroxymethyl-2-furancarboxaldehyde (HMF), which are considered useful indices of semolina quality and pasta processing conditions. Dried spaghetti fortified with 5% of lupin protein isolate has a colour and rheological features comparable with the semolina sample and also the behaviour during cooking results to be satisfactory. As far as the thermal damage is concerned, the furosine values of fortified spaghetti differ only marginally from standard pasta and the percentage lysine loss is quite small (ranging from 12.1% to 15.7%). (c) 2006 Elsevier Ltd. All rights reserved.
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