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Igartúa DE, Dichano MC, Morales Huanca MN, Palazolo GG, Cabezas DM. Rice proteins - Gum arabic coacervates: Effect of pH and polysaccharide concentration in oil-in-water emulsion stability. Food Res Int 2024; 188:114399. [PMID: 38823854 DOI: 10.1016/j.foodres.2024.114399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Revised: 04/17/2024] [Accepted: 04/20/2024] [Indexed: 06/03/2024]
Abstract
In the context of replacing animal proteins in food matrices, rice proteins (RP) become promised because they come from an abundant plant source, are hypoallergenic, and have high digestibility and nutritional value. However, commercial protein isolates obtained by spray drying have low solubility and poor functionality, especially in their isoelectric point. One way to modify these properties is through interaction with polysaccharides, such as gum arabic (GA). Therefore, this work aims to evaluate the effects of pH and GA concentration on the interaction and emulsifying activity of RP:GA coacervates. First, the effects of pH (2.5 to 7.0) and GA concentrations (0.2 to 1.0 wt%, giving rise to RP:GA mass ratios of 1:0.2 to 1:1.0) in RP:GA blends were evaluated. The results demonstrated that biopolymers present opposite net charges at pH between 2.5 and 4.0. At pH 3.0, insoluble coacervates with complete charge neutralization were formed by electrostatic interactions, while at pH 5.0 it was observed that the presence of GA prevented the RP massive aggregation. Second, selected blends with 0.4 or 1.0 wt% of GA (RP:GA mass ratios of 1:0.4 or 1:1.0) at pH 3.0 or 5.0 were tested for their ability to stabilize oil-in-water emulsions. The emulsions were characterized for 21 days. It was observed that the GA increased the stability of RP emulsions, regardless of the pH and polysaccharide concentration. Taken together, our results show that it is possible to combine RP and GA to improve the emulsifying properties of these plant proteins at pH conditions close to their isoelectric point, expanding the possibility of implementation in food systems.
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Affiliation(s)
- Daniela E Igartúa
- Universidad Nacional de Quilmes, Departamento de Ciencia y Tecnología, Laboratorio de Investigación en Funcionalidad y Tecnología de Alimentos (LIFTA), Roque Sáenz Peña 352, B1876BXD Bernal, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz 2290, C1425FQB Ciudad Autónoma de Buenos Aires, Argentina
| | - María Celeste Dichano
- Universidad Nacional de Quilmes, Departamento de Ciencia y Tecnología, Laboratorio de Investigación en Funcionalidad y Tecnología de Alimentos (LIFTA), Roque Sáenz Peña 352, B1876BXD Bernal, Buenos Aires, Argentina
| | - Maxwell N Morales Huanca
- Universidad Nacional de Quilmes, Departamento de Ciencia y Tecnología, Laboratorio de Investigación en Funcionalidad y Tecnología de Alimentos (LIFTA), Roque Sáenz Peña 352, B1876BXD Bernal, Buenos Aires, Argentina; Universidad Católica de Santa María, Urb. San José s/n, 04011 Arequipa, Peru
| | - Gonzalo G Palazolo
- Universidad Nacional de Quilmes, Departamento de Ciencia y Tecnología, Laboratorio de Investigación en Funcionalidad y Tecnología de Alimentos (LIFTA), Roque Sáenz Peña 352, B1876BXD Bernal, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz 2290, C1425FQB Ciudad Autónoma de Buenos Aires, Argentina
| | - Dario M Cabezas
- Universidad Nacional de Quilmes, Departamento de Ciencia y Tecnología, Laboratorio de Investigación en Funcionalidad y Tecnología de Alimentos (LIFTA), Roque Sáenz Peña 352, B1876BXD Bernal, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz 2290, C1425FQB Ciudad Autónoma de Buenos Aires, Argentina.
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2
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Huang X, Xia B, Liu Y, Wang C. Non-covalent interactions between rice protein and three polyphenols and potential application in emulsions. Food Chem X 2024; 22:101459. [PMID: 38803669 PMCID: PMC11129171 DOI: 10.1016/j.fochx.2024.101459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 05/06/2024] [Accepted: 05/08/2024] [Indexed: 05/29/2024] Open
Abstract
Rice protein (RP) and polyphenols are often used in functional foods. This study investigated the non-covalent interactions between RP and three polyphenols (curcumin, CUR; quercetin, QUE; resveratrol, RES) and used the complexes as emulsifiers to create emulsions. Three polyphenols interacted with RP to varying extents, with QUE showing the greatest binding affinity and inducing the greatest alterations in its secondary structure. Molecular docking analysis elucidated the driving forces between them including hydrophobic interactions, hydrogen bonding, and van der Waals forces. Combination with QUE or RES induced structural changes of RP, increasing particle size of complexes. The synergistic effect of polyphenols and protein also enhanced radical scavenging capacity of complexes. Compared to pure protein, all complexes successfully created emulsions with smaller particle size (378-395 nm vs. 470 nm), higher absolute potential (37.43-38.26 mV vs. 35.62 mV), and greater lipid oxidation stability by altering protein conformation.
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Affiliation(s)
- Xin Huang
- Department of Food Science, College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Boxue Xia
- Department of Food Science, College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Yaxuan Liu
- Department of Food Science, College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Cuina Wang
- Department of Food Science, College of Food Science and Engineering, Jilin University, Changchun 130062, China
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Zhao M, Li F, Li H, Lin Q, Zhou X, Wu X, Wu W. Effects of rice bran rancidity on the interfacial adsorption properties of rice bran protein fibril aggregates and stability of high internal phase Pickering emulsions. Food Chem 2024; 443:138611. [PMID: 38309025 DOI: 10.1016/j.foodchem.2024.138611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 01/15/2024] [Accepted: 01/26/2024] [Indexed: 02/05/2024]
Abstract
The effects of rice bran rancidity-induced protein oxidation and heating time on the stability of rice bran protein fibril aggregates (RBPFA)-high internal phase Pickering emulsions (HIPPEs) were investigated. The optimal conditions for RBPFA-HIPPEs were 8 mg/mL RBPFA with an oil phase volume fraction of 75 %. Moderate oxidation (rice bran stored for 3 d) and moderate heating (8 h) enhanced the wettability, flexibility, diffusion rate, and adsorption rate of RBPFA, meanwhile, the rheological properties of RBPFA-HIPPEs increased. RBPFA-HIPPEs could be stably stored for 50 d at 25 °C. Moderate oxidized and moderate heated RBPFA-stabilized HIPPEs could remain stable after heat treatment and could be re-prepared after freeze-thaw (3 cycles). Additionally, the stability of RBPFA-HIPPEs was significantly related to the structural characteristics and interfacial properties of RBPFA. Overall, moderate oxidation and moderate heating enhanced the storage, thermal, and freeze-thaw stability of RBPFA-HIPPEs by improving the interfacial properties of RBPFA.
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Affiliation(s)
- Mengmeng Zhao
- Faculty of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, Hunan 410004, China
| | - Fang Li
- Faculty of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, Hunan 410004, China
| | - Helin Li
- Faculty of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, Hunan 410004, China
| | - Qinlu Lin
- Faculty of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, Hunan 410004, China
| | - Xiaoling Zhou
- Chen Keming Food Manufacturing Co., Ltd, Changsha, Hunan 414000, China
| | - Xiaojuan Wu
- Faculty of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, Hunan 410004, China.
| | - Wei Wu
- Faculty of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, Hunan 410004, China.
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4
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Pocasap P, Tamprasit K, Rungsri T, Kaimuangpak K, Srisongkram T, Katekaew S, Kamwilaisak K, Puthongking P, Weerapreeyakul N. Pickering Emulsion of Oleoresin from Dipterocarpus alatus Roxb. ex G. Don and Its Antiproliferation in Colon (HCT116) and Liver (HepG2) Cancer Cells. Molecules 2024; 29:2695. [PMID: 38893569 PMCID: PMC11174047 DOI: 10.3390/molecules29112695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2024] [Revised: 05/28/2024] [Accepted: 06/04/2024] [Indexed: 06/21/2024] Open
Abstract
Oleoresin of Dipterocarpus alatus Roxb. ex G. Don (DA) has been traditionally used for local medicinal applications. Several in vitro studies have indicated its pharmacological potential. However, the low water solubility hinders its use and development for pharmaceutical purposes. The study aimed to (1) formulate oil-in-water (o/w) Pickering emulsions of DA oleoresin and (2) demonstrate its activities in cancer cells. The Pickering emulsions were formulated using biocompatible carboxylated cellulose nanocrystal (cCNC) as an emulsifier. The optimized emulsion comprised 3% (F1) and 4% (v/v) (F2) of oleoresin in 1% cCNC and 0.1 M NaCl, which possessed homogeneity and physical stability compared with other formulations with uniform droplet size and low viscosity. The constituent analysis indicated the presence of the biomarker dipterocarpol in both F1 and F2. The pharmacological effects of the two emulsions were demonstrated in vitro against two cancer cell lines, HepG2 and HCT116. Both F1 and F2 suppressed cancer cell viability. The treated cells underwent apoptosis, as demonstrated by distinct nuclear morphological changes in DAPI-stained cells and Annexin V/PI-stained cells detected by flow cytometry. Our study highlights the prospect of Pickering emulsions for oleoresin, emphasizing enhanced stability and potential pharmacological advantages.
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Affiliation(s)
- Piman Pocasap
- Department of Pharmacology, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand;
| | - Kawintra Tamprasit
- Graduate School in the Program of Research and Development in Pharmaceuticals, Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen 40002, Thailand; (K.T.); (K.K.)
- Research Institute for Human High Performance and Health Promotion, Khon Kaen University, Khon Kaen 40002, Thailand;
| | - Thanyathanya Rungsri
- Faculty of Pharmaceutical Sciences in the Program of Doctor of Pharmacy, Khon Kaen University, Khon Kaen 40002, Thailand;
| | - Karnchanok Kaimuangpak
- Graduate School in the Program of Research and Development in Pharmaceuticals, Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen 40002, Thailand; (K.T.); (K.K.)
| | - Tarapong Srisongkram
- Research Institute for Human High Performance and Health Promotion, Khon Kaen University, Khon Kaen 40002, Thailand;
- Division of Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen 40002, Thailand;
| | - Somporn Katekaew
- Department of Biochemistry, Faculty of Sciences, Khon Kaen University, Khon Kaen 40002, Thailand;
| | - Khanita Kamwilaisak
- Department of Chemical Engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen 40002, Thailand;
| | - Ploenthip Puthongking
- Division of Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen 40002, Thailand;
| | - Natthida Weerapreeyakul
- Research Institute for Human High Performance and Health Promotion, Khon Kaen University, Khon Kaen 40002, Thailand;
- Division of Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen 40002, Thailand;
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Li M, Yu H, Gantumur MA, Guo L, Lian L, Wang B, Yu C, Jiang Z. Insight into oil-water interfacial adsorption of protein particles towards regulating Pickering emulsions: A review. Int J Biol Macromol 2024; 272:132937. [PMID: 38848834 DOI: 10.1016/j.ijbiomac.2024.132937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Revised: 06/02/2024] [Accepted: 06/04/2024] [Indexed: 06/09/2024]
Abstract
Over the past decade, Pickering emulsions (PEs) stabilized by protein particles have been the focus of researches. The characteristics of protein particles at the oil-water interface are crucial for stabilizing PEs. The unique adsorption behaviors of protein particles and various modification methods enable oil-water interface to exhibit controllable regulation strategies. However, from the perspective of the interface, studies on the regulation of PEs by the adsorption behaviors of protein particles at oil-water interface are limited. Therefore, this review provides an in-depth study on oil-water interfacial adsorption of protein particles and their regulation on PEs. Specifically, the formation of interfacial layer and effects of their interfacial characteristics on PEs stabilized by protein particles are elaborated. Particularly, complicated behaviors, including adsorption, arrangement and deformation of protein particles at the oil-water interface are the premise of affecting the formation of interfacial layer. Moreover, the particle size, surface charge, shape and wettability greatly affect interfacial adsorption behaviors of protein particles. Importantly, stabilities of protein particles-based PEs also depend on properties of interfacial layers, including interfacial layer thickness and interfacial rheology. This review provides useful insights for the development of PEs stabilized by protein particles based on interfacial design.
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Affiliation(s)
- Meng Li
- Department of Food Science and Engineering, College of Pharmacy, Heilongjiang University of Chinese Medicine, Harbin 150030, PR China
| | - Haiying Yu
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin 150030, PR China
| | - Munkh-Amgalan Gantumur
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin 150030, PR China
| | - Lidong Guo
- Department of Food Science and Engineering, College of Pharmacy, Heilongjiang University of Chinese Medicine, Harbin 150030, PR China
| | - Lian Lian
- Department of Food Science and Engineering, College of Pharmacy, Heilongjiang University of Chinese Medicine, Harbin 150030, PR China
| | - Bo Wang
- Department of Food Science and Engineering, College of Pharmacy, Heilongjiang University of Chinese Medicine, Harbin 150030, PR China
| | - Chunmiao Yu
- Department of Food Science and Engineering, College of Pharmacy, Heilongjiang University of Chinese Medicine, Harbin 150030, PR China.
| | - Zhanmei Jiang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin 150030, PR China.
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Tong Q, Yi Z, Ma L, Tan Y, Cao X, Liu D, Li X. Influences of carboxymethyl chitosan upon stabilization and gelation of O/W Pickering emulsions in the presence of inorganic salts. Carbohydr Polym 2024; 331:121902. [PMID: 38388045 DOI: 10.1016/j.carbpol.2024.121902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 01/28/2024] [Accepted: 01/30/2024] [Indexed: 02/24/2024]
Abstract
The objective of this study was to investigate the effects of carboxymethyl chitosan (CMCS) on the stabilization and gelation of oil-in-water (O/W) Pickering emulsions (PEs) with polyphenol-amino acid particles in the presence of inorganic salts. The results revealed that the CMCS-induced depletion interactions contributed to improving the emulsification ability and interfacial adsorption efficiency of polyphenol-amino acid particles as well as constructing the network structures in the continuous phase. These relevant changes collectively resulted in elevating stability, viscosity and moduli of PEs. The additional effects of different inorganic salts with varying additions were further investigated, and the addition-dependent phenomena were observed. At low additions of inorganic salts, the occurrence of the chelation of inorganic salts with CMCS consolidated the constructed network structure, favorable to the gelation of PEs. With increasing additions, this chelation effect became stronger which compromised the CMCS-induced depletion, gradually leading to destabilization of PEs. In terms of ion species, the more pronounced effect on emulsion stability was achieved with calcium ions than with potassium and iron ions. This study expects to provide a new perspective on the extending application of cationic CMCS for improving the stability of O/W PEs in the food industry.
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Affiliation(s)
- Qiulan Tong
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, PR China; College of Biomedical Engineering, Sichuan University, Chengdu 610064, PR China
| | - Zeng Yi
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, PR China; College of Biomedical Engineering, Sichuan University, Chengdu 610064, PR China
| | - Lei Ma
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, PR China; College of Biomedical Engineering, Sichuan University, Chengdu 610064, PR China
| | - Yunfei Tan
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, PR China; College of Biomedical Engineering, Sichuan University, Chengdu 610064, PR China
| | - Xiaoyu Cao
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, PR China; College of Biomedical Engineering, Sichuan University, Chengdu 610064, PR China
| | - Danni Liu
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, PR China; College of Biomedical Engineering, Sichuan University, Chengdu 610064, PR China
| | - Xudong Li
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, PR China; College of Biomedical Engineering, Sichuan University, Chengdu 610064, PR China.
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7
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Yılmaz Tuncel N. Stabilization of Rice Bran: A Review. Foods 2023; 12:foods12091924. [PMID: 37174460 PMCID: PMC10178138 DOI: 10.3390/foods12091924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 04/25/2023] [Accepted: 05/06/2023] [Indexed: 05/15/2023] Open
Abstract
One of the major problems in food science is meeting the demand of the world's growing population, despite environmental limitations such as climate change, water scarcity, land degradation, marine pollution, and desertification. Preventing food from going to waste and utilizing nutritive by-products as food rather than feed are easy and powerful strategies for overcoming this problem. Rice is an important staple food crop for more than half of the world's population and substantial quantities of rice bran emerge as the main by-product of rice grain milling. Usually, rice bran is used as animal feed or discarded as waste. Although it is highly nutritious and comprises many bioactive compounds with considerable health benefits, the rapid deterioration of bran limits the exploitation of the full potential of rice bran. Hydrolytic rancidity is the main obstacle to using rice bran as food, and the enzyme inactivation process, which is termed stabilization, is the only way to prevent it. This study reviews the methods of stabilizing rice bran and other rice-milling by-products comprising rice bran in the context of the efficiency of the process upon storage. The effect of the process on the components of rice bran is also discussed.
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Affiliation(s)
- Neşe Yılmaz Tuncel
- Department of Food Technology, Faculty of Applied Sciences, Onsekiz Mart University, Çanakkale 17100, Turkey
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