Article (Scientific journals)
Dysphagia food: Impact of soy protein isolate (SPI) addition on textural, physicochemical and microstructural properties of peach complex gels
Xie, Jin; Bi, Jinfeng; Christophe, Blecker et al.
2024In Food Hydrocolloids, 154, p. 110130
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Keywords :
Dysphagia; Peach pulp; Rheology; Soy protein isolate; Texture; Apparent viscosity; Insoluble residue; Level 5; Micro-structural properties; Physicochemical property; Shear-rate; Soy protein isolates; Textural properties; Food Science; Chemistry (all); Chemical Engineering (all)
Abstract :
[en] In this study, dysphagia-friendly diets were prepared based on the interaction between polysaccharides from peach, namely Meirui (MR), Yangshan (YS) and Cons758 (Cons), and soy protein isolate (SPI). MR-alcohol insoluble residues (AIR) and YS-AIR were low methoxylated polymers, while Cons-AIR was high methoxylated polymer. According to the international dysphagia diet standardization initiative, YS-SPI and MR-SPI could be qualified as level 5-minced/moist dysphagia diets. Following SPI addition, the apparent viscosity, G′ and G″ of peach pulp-SPI complexes were significantly increased. At the shear rate of 10 s−1, corresponding to oral processing, MR-SPI performed the highest apparent viscosity (35.2 Pa s), followed by YS-SPI (33.5 Pa s). Additionally, the SPI-treated strategy pronounced improved the hardness, springiness, adhesiveness and chewiness of complexes. Both YS-SPI and Cons-SPI showed the reduced particle size, alongside the uniform distribution, owing to the strong hydrogen bonding and electrostatic interaction between peach pulp substances and SPI, which was confirmed by FT-IR result. The biggest ζ-potential value (−23.55 mV) was found in YS-SPI. Meanwhile, compared with peach pulps, the highest increase ratio (87.94%) of water holding capacity was depicted in MR-SPI. LF-NMR analysis revealed immobilized water was dominant in peach pulp-SPI. The results suggested that MR was promising for the optimal choice to form gel food for people with swallowing problems.
Disciplines :
Food science
Author, co-author :
Xie, Jin  ;  Université de Liège - ULiège > TERRA Research Centre ; Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-products Processing, Ministry of Agriculture and Rural Affairs, Beijing, China
Bi, Jinfeng;  Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-products Processing, Ministry of Agriculture and Rural Affairs, Beijing, China
Christophe, Blecker;  University of Liège, Gembloux Agro-Bio Tech, Unit of Food Science and Formulation, Gembloux, Belgium
Wang, Fengzhao;  Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-products Processing, Ministry of Agriculture and Rural Affairs, Beijing, China
Lyu, Jian;  Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-products Processing, Ministry of Agriculture and Rural Affairs, Beijing, China
Jacquet, Nicolas  ;  Université de Liège - ULiège > TERRA Research Centre > Technologie Alimentaire (TA)
Language :
English
Title :
Dysphagia food: Impact of soy protein isolate (SPI) addition on textural, physicochemical and microstructural properties of peach complex gels
Publication date :
September 2024
Journal title :
Food Hydrocolloids
ISSN :
0268-005X
eISSN :
1873-7137
Publisher :
Elsevier B.V.
Volume :
154
Pages :
110130
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
Earmarked Fund for China Agriculture Research System
Funding text :
The research was supported by China Agriculture Research System (CARS-30-5-02).
Available on ORBi :
since 15 December 2024

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