Article (Scientific journals)
Irvingia gabonensis seed fat as hard stock to formulate blends for trans free margarines
Yamoneka, J.; Malumba, P.; Lognay, Georges et al.
2019In LWT - Food Science and Technology, 101, p. 747-756
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Keywords :
Fat blend; Hardness; Irvingia gabonensis; Margarines; Solid fat content; Differential scanning calorimetry; Digital storage; Melting; Dacryodes edulis; Melting behavior; Melting profiles; Polymorphic forms; Textural properties; Palm oil
Abstract :
[en] In order to formulate trans-free margarines, Irvingia gabonensis seed fat (IGF) was blended with a liquid oil which was either rapeseed oil (RO), groundnut oil (GNO), palm super olein (PSO) or Dacryodes edulis pulp oil (DPO). All the binary fat blends were evaluated in terms of melting behavior by Differential Scanning Calorimetry and p-NMR. Based on their melting behaviors by p-NMR, four blends (IGF/RO 30:70, IGF/GNO 30:70, IGF/GNO 20:80 and IGF/RO 20:80) were selected as having melting profiles closed to those of fat extracted from commercial margarines and literature data. Some physical properties of the selected fat blends such as solid fat content, hardness (by penetration) test, microstructure using an optical microscope and polymorphism using X-Ray Diffraction were evaluated. Those four trans-free fat blends showed similar hardness and solid fat content (SFC) than fats extracted from commercial bakery margarine, baking margarine and table margarine during storage experiments. All those four fat blends showed β’ crystals as stable polymorphic form, which is desirable for margarines. Therefore, those four fat blends are suitable to formulate trans-free margarines with desirable textural properties. © 2018 Elsevier Ltd
Disciplines :
Food science
Author, co-author :
Yamoneka, J.;  Food Science and Formulation, University of Liege, Gembloux Agro-Bio Tech, Avenue de La Faculté D'Agronomie, 2B, Gembloux, B-5030, Belgium, Department of Chemistry and Agricultural Industries, Agronomy Faculty, University of Goma, Goma, BP 204, Congo
Malumba, P.;  Care FoodIsLife, Terra Teaching and Research Center, University of Liege, Gembloux Agro-Bio Tech, Avenue de La Faculté D'Agronomie, 2B, Gembloux, B-5030, Belgium
Lognay, Georges ;  Université de Liège - ULiège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Chimie des agro-biosystèmes
Blecker, Christophe ;  Université de Liège - ULiège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > SMARTECH
Danthine, Sabine  ;  Université de Liège - ULiège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > SMARTECH
Language :
English
Title :
Irvingia gabonensis seed fat as hard stock to formulate blends for trans free margarines
Publication date :
2019
Journal title :
LWT - Food Science and Technology
ISSN :
0023-6438
eISSN :
1096-1127
Publisher :
Academic Press
Volume :
101
Pages :
747-756
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 16 June 2020

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