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Title: The use of dry Jerusalem artichoke as a functional nutrient in developing extruded food with low glycaemic index
Authors: Barjaktarevic, Ana
Stojceska V.
Plunkett A.
Jankovic, Slobodan
Milovanovic, Dragan
Cupara S.
Issue Date: 2015
Abstract: © 2014 The Authors . Published by Elsevier Ltd. This is an open access article under the CC BY-NC-NDlicense. This study considers the use of dry Jerusalem artichoke (JA) as a functional nutrient in developing food products with enhanced nutritional characteristics and low glycaemic index (GI). Three different formulations based on buckwheat and JA were developed and processed using extrusion technology. Nutritional properties including the levels of total dietary fibre (TDF), protein, inulin, total carbohydrates and lipids were analysed. A clinical study was performed on ten healthy volunteers (aged between 21 and 56) to determine the level of GI and glycaemic load (GL). The results revealed that JA significantly (P < 0.05) increased the levels of TDF and inulin whilst decreasing carbohydrates, lipids and proteins. The resulting products had a significant (P < 0.05) effect on IAUC between reference food and extruded products, GI and GL. Samples containing 80% of Jerusalem artichoke were considered as a low GI food whilst samples containing 30% and 60% of Jerusalem artichoke as a medium GI food. A similar trend was seen in terms of GL.
Type: article
DOI: 10.1016/j.foodchem.2014.12.096
ISSN: 0308-8146
SCOPUS: 2-s2.0-84921023342
Appears in Collections:Faculty of Medical Sciences, Kragujevac

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